Document:

EX 4.2

    EXHIBIT
      4.2

    

    NEITHER
      THIS WARRANT NOR ISSUANCE OF THE SECURITIES ISSUABLE UPON THE EXERCISE HEREOF
      TO
      THE HOLDER HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 OR QUALIFIED
      OR
      REGISTERED UNDER STATE SECURITIES OR BLUE SKY LAWS. NEITHER THIS WARRANT NOR
      SUCH SECURITIES MAY BE SOLD, OFFERED FOR SALE, PLEDGED, HYPOTHECATED OR
      OTHERWISE TRANSFERRED OR DISPOSED OF EXCEPT IN COMPLIANCE WITH THE SECURITIES
      ACT OF 1933, APPLICABLE STATE SECURITIES OR BLUE SKY LAWS AND THE APPLICABLE
      RULES AND REGULATIONS THEREUNDER.

    

    THIS
      WARRANT MAY NOT BE TRANSFERRED EXCEPT AS PROVIDED IN SECTION
      24.

     

    
      	
              No.
                W-

            	
              Right
                to Purchase [NUMBER OF] Shares of Common Stock of Berliner Communications,
                Inc.

            

    

    

    

    BERLINER
      COMMUNICATIONS, INC.

    

    Common
      Stock Purchase Warrant

     

    BERLINER
      COMMUNICATIONS, INC., a
      Delaware corporation, hereby certifies that, for value received, [WARRANTHOLDER]
      or
      registered assigns (the “Holder”), is entitled, subject to the terms set forth
      below, to purchase from the Company at any time or from time to time before
      5:00
      p.m., New York City time, on the Expiration Date (such capitalized term and
      all
      other capitalized terms used herein having the respective meanings provided
      herein), [NUMBER OF] fully paid and nonassessable shares of Common Stock at
      a
      purchase price per share equal to the Purchase Price. The number of such shares
      of Common Stock and the Purchase Price are subject to adjustment as provided
      in
      this Warrant.

    

    As
      used
      herein the following capitalized terms, unless the context otherwise requires,
      have the following respective meanings:

    

    “Aggregate
      Purchase Price” means at any time an amount equal to the product obtained by
      multiplying (x) the Purchase Price times
      (y) the
      number of shares of Common Stock for which this Warrant may be exercised at
      such
      time.

    

    “AMEX”
      means the American Stock Exchange, Inc.

    
      
         

      

      
         

        
          

        

      

      
         

      

       

    

    “Board
      of
      Directors” means the Board of Directors of the Company.

    

    “Business
      Day” means any day other than a Saturday, Sunday or other day on which
      commercial banks in The City of New York are authorized or required by law
      or
      executive order to remain closed.

    

    “Common
      Stock” includes the Company's Common Stock, par value $.00002 per share, (and
      any purchase rights issued with respect to the Common Stock in the future)
      as
      authorized on the date hereof, and any other securities into which or for which
      the Common Stock (and any such rights issued with respect to the Common Stock)
      may be converted or exchanged pursuant to a plan of recapitalization,
      reorganization, merger, sale of assets or otherwise and any stock (other than
      Common Stock) and other securities of the Company or any other Person which
      the
      Holder at any time shall be entitled to receive, or shall have received, on
      the
      exercise of this Warrant, in lieu of or in addition to Common
      Stock.

    

    “Common
      Stock Equivalents” means any warrant, option, subscription or purchase right
      with respect to shares of Common Stock, any security convertible into,
      exchangeable for, or otherwise entitling the holder thereof to acquire, shares
      of Common Stock or any warrant, option, subscription or purchase right with
      respect to any such convertible, exchangeable or other security.

    

    “Company”
      shall include Berliner Communications, Inc., a Delaware corporation, and any
      corporation that shall succeed to or assume the obligations of Berliner
      Communications, Inc. hereunder in accordance with the terms hereof.

    

    “Current
      Fair Market Value” means when used with respect to the Common Stock as of a
      specified date with respect to each share of Common Stock, the average of the
      closing prices of the Common Stock sold on all securities exchanges on which
      the
      Common Stock may at the time be listed, or, if there have been no sales on
      any
      such exchange on such day, the average of the last sales price on all such
      exchanges at the end of the most recent day on which there was a sale on any
      such exchange, or, if on the day of determination of Current Fair Market Value
      the Common Stock is not so listed, the average of the last sales price quoted
      in
      the NASDAQ System as of 4:00 p.m., New York City time, or, if on such day the
      Common Stock is not quoted in the NASDAQ System, the average of the last sales
      price on such day in the domestic over-the-counter market as reported by the
      National Quotation Bureau, Incorporated, or any similar successor organization,
      in each such case averaged over a period of the five most recent Trading Days
      on
      which sales of the Company’s stock occurred prior to the day as of
      which

    
      
         

      

      
        -2-

        
          

        

      

      
         

      

       

    

    the
      Current Fair Market Value of Common Stock is being determined (or if such day
      is
      not a Trading Day, the Trading Day next preceding such day). If on the date
      for
      which Current Fair Market Value is to be determined the Common Stock is not
      listed on any securities exchange or quoted in the NASDAQ System or the
      over-the-counter market, the Current Fair Market Value of Common Stock shall
      be
      the highest price per share which the Company could then obtain from a willing
      buyer (not an employee or director of the Company at the time of determination)
      in an arms'-length transaction for shares of Common Stock sold by the Company,
      from authorized but unissued shares, as determined in good faith by the Board
      of
      Directors.

    

    “Expiration
      Date” means the earlier of December 29, 2011 or the date this Warrant has been
      fully exercised.

    

    “Issuance
      Date” means the date of original issuance of this Warrant.

    

    “Nasdaq”
      means the Nasdaq Global Market or Global Select Market.

    

    “Nasdaq
      Capital Market” means the Nasdaq Capital Market.

    

    “1934
      Act” means the Securities Exchange Act of 1934, as amended.

    

    “1933
      Act” means the Securities Act of 1933, as amended.

    

    “Note
      Purchase Agreement” means the Note Purchase Agreement, dated as of December 29,
      2006, by and between the Company and the original Holder of this
      Warrant.

    

    “Notes”
      means any of the 7% Senior Subordinated Secured Convertible Notes due 2008
      issued by the Company pursuant to the Note Purchase Agreement and the Other
      Notes, if any. 

    

    “NYSE”
      means the New York Stock Exchange, Inc.

    

    “Other
      Notes” shall have the meaning provided in the Notes.

    

    “Other
      Securities” means any stock (other than Common Stock) and other securities of
      the Company or any other Person which the Holder at any time shall be entitled
      to receive, or shall have received, on the exercise of this Warrant, in lieu
      of
      or in addition to Common Stock, or which at any time shall be issuable or shall
      have been issued in exchange for or in replacement of Common Stock or Other
      Securities pursuant to Section 4.

    

    “Other
      Warrants” means the Common Stock Purchase Warrants (other than this Warrant)
      issued or issuable by the Company pursuant to the Note

    
      
         

      

      
        -3-

        
          

        

      

      
         

      

       

    

    Purchase
      Agreement and issued or issuable by the Company in connection with the Other
      Notes.

    

    “Person”
      means an individual, partnership, corporation, limited liability company, trust,
      unincorporated organization, business trust, association, joint stock company,
      joint venture, pool, syndicate, sole proprietorship, governmental agency or
      any
      other form of entity not specifically listed herein.

    

    “Purchase
      Price” means $.01, subject to adjustment as provided in this
      Warrant.

    

    “QIB”
      means a “qualified institutional buyer” as defined in Rule 144A.

    

    “Registration
      Period” shall have the meaning provided in the Note Purchase
      Agreement.

    

    “Registration
      Statement” shall have the meaning provided in the Note Purchase
      Agreement.

    

    “Restricted
      Securities” means securities that are not eligible for resale pursuant to Rule
      144(k) under the 1933 Act (or any successor provision).

    

    “Reorganization
      Event” means the occurrence of any one or more of the following events:

    

    (i)    any
      consolidation, merger or similar transaction of the Company or any Subsidiary
      with or into another entity (other than a merger or consolidation or similar
      transaction of a Subsidiary into the Company or a wholly-owned Subsidiary);
      or
      the sale or transfer of all or substantially all of the assets of the Company
      and the Subsidiaries in a single transaction or a series of related
      transactions; or

    

    (ii)    the
      occurrence of any transaction or event in connection with which all or
      substantially all the Common Stock shall be exchanged for, converted into,
      acquired for or constitute the right to receive securities of any other Person
      (whether by means of a Tender Offer, liquidation, consolidation, merger, share
      exchange, combination, reclassification, recapitalization, or otherwise);
      or

    

    (iii)    the
      acquisition by a Person or group of Persons acting in concert as a partnership,
      limited partnership, syndicate or group, as a result of a tender or exchange
      offer, open market purchases, privately negotiated purchases or otherwise,
      of
      beneficial ownership of securities of the Company representing 50% or more
      of
      the combined voting power of the outstanding

    
      
         

      

      
        -4-

        
          

        

      

      
         

      

       

    

    voting
      securities of the Company ordinarily (and apart from rights accruing in special
      circumstances) having the right to vote in the election of
      directors.

    

    “Rule
      144A” means Rule 144A as promulgated under the 1933 Act.

    

    “SEC”
      means the Securities and Exchange Commission.

    

    “SEC
      Effective Date” shall have the meaning provided in the Note Purchase
      Agreement.

    

    “Subsidiary”
      means any corporation or other entity of which a majority of the capital stock
      or other ownership interests having ordinary voting power to elect a majority
      of
      the board of directors or other Persons performing similar functions are at
      the
      time directly or indirectly owned by the Company.

    

    “Tender
      Offer” means a tender offer, exchange offer or other offer by the Company to
      repurchase outstanding shares of its capital stock.

    

    “Trading
      Day” means at any time a day on which any of a national securities exchange,
      Nasdaq or such other securities market as at such time constitutes the principal
      securities market for the Common Stock is open for general trading of
      securities.

    

    “Warrant
      Shares” means the shares of Common Stock issuable upon exercise of this
      Warrant.

    

    1.    Exercise
      of Warrant.

    

    (a)    Exercise.
      This
      Warrant may be exercised by the Holder in whole at any time or in part from
      time
      to time on or before the Expiration Date in minimum amounts equal to at least
      5,000 shares (or such lesser number of shares remaining) in any given exercise
      by (x) surrendering this Warrant to the Company, (y) giving a subscription
      form
      in the form of Exhibit
      1
      to this
      Warrant (duly executed by the Holder) to the Company, and (z) making payment,
      in
      cash or by certified or official bank check payable to the order of the Company,
      or by wire transfer of funds to the account of the Company, in any such case,
      in
      the amount obtained by multiplying (a) the number of shares of Common Stock
      designated by the Holder in the subscription form by (b) the Purchase Price
      then
      in effect. On any partial exercise the Company will forthwith issue and deliver
      to or upon the order of the Holder a new Warrant or Warrants of like tenor,
      in
      the name of the Holder or as the Holder (upon payment by the Holder of any
      applicable transfer taxes) may request, providing in the aggregate on the face
      or faces thereof for the purchase of the number of shares of Common Stock for
      which such Warrant or Warrants may still be exercised. The subscription form
      may
      be surrendered by telephone line

      
        
           

        

        
          -5-

          
            

          

        

        
           

        

      

    facsimile
      transmission to such telephone number for the Company as shall have been
      specified in writing to the Holder by the Company; provided,
      however,
      that if
      the subscription form is given to the Company by telephone line facsimile
      transmission the Holder shall send an original of such subscription form to
      the
      Company within ten Business Days after such subscription form is so given to
      the
      Company; provided
      further,
      however,
      that
      any failure or delay on the part of the Holder in giving such original of any
      subscription form shall not affect the validity or the date on which such
      subscription form is so given by telephone line facsimile
      transmission.

    

    (b)    Net
      Exercise. The
      Holder may elect to exercise this Warrant, in whole at any time or in part
      from
      time to time, by receiving shares of Common Stock equal to the net issuance
      value (as determined below) of this Warrant, or any part hereof, upon surrender
      of the subscription form annexed hereto (duly executed by the Holder) to the
      Company (followed by surrender of this Warrant to the Company within three
      Trading Days after surrender of such subscription form), in which event the
      Company shall issue to the Holder a number of shares of Common Stock computed
      using the following formula:

    

    X
      =
Y
      x (A
      - B)

    A

    

    where,

    

    
      	 	 	
              X
                =

            	
              the
                number of shares of Common Stock to be issued to the
                Holder

            

    

    

    
      	 	 	
              Y
                =

            	
              the
                number of shares of Common Stock as to which this Warrant is to be
                exercised

            

    

    

    
      	 	 	
              A
                =

            	
              the
                Current Fair Market Value of one share of Common Stock calculated
                as of
                the last Trading Day immediately preceding the exercise of this
                Warrant

            

    

    

    
      	 	 	
              B
                =

            	
              the
                Purchase Price

            

    

    

    2.    Delivery
      of Stock Certificates, etc., on Exercise.
      As soon
      as practicable after the exercise of this Warrant and in any event within three
      Trading Days thereafter, upon the terms and subject to the conditions of this
      Warrant, the Company at its expense (including the payment by it of any
      applicable issue or stamp taxes) will cause to be issued in the name of and
      delivered to the Holder, or as the Holder (upon payment by the Holder of any
      applicable transfer taxes) may direct, a certificate or certificates for the
      number of fully paid and nonassessable shares of Common Stock (or Other
      Securities) to which the Holder shall be entitled on such exercise, in such
      denominations as may be requested by

      
        
           

        

        
          -6-

          
            

          

        

        
           

        

      

    the
      Holder, plus, in lieu of any fractional share to which the Holder would
      otherwise be entitled, cash equal to such fraction multiplied by the then
      Current Fair Market Value of one full share, together with any other stock
      or
      Other Securities or any property (including cash, where applicable) to which
      the
      Holder is entitled upon such exercise pursuant to Section 1 or otherwise. The
      Company shall not be required, however, to pay any tax or other charge imposed
      in connection with any transfer involved in the issue of any certificate for
      shares of Common Stock (or Other Securities) issuable upon exercise of this
      Warrant or payment of cash to any Person other than the Holder, and in case
      of
      such transfer or payment the Company shall not be required to deliver any
      certificate for shares of Common Stock (or Other Securities) upon such exercise
      or pay any cash until such tax or charge has been paid or it has been
      established to the Company's reasonable satisfaction that no such tax or charge
      is due. Upon exercise of this Warrant as provided herein, the Company’s
      obligation to issue and deliver the certificates for Common Stock shall be
      absolute and unconditional, irrespective of the absence of any action by the
      Holder to enforce the same, any waiver or consent with respect to any provision
      hereof, the recovery of any judgment against any Person or any action to enforce
      the same, any failure or delay in the enforcement of any other obligation of
      the
      Company to the Holder, or any setoff, counterclaim, recoupment, limitation
      or
      termination, or any breach or alleged breach by the Holder or any other Person
      of any obligation to the Company or any violation or alleged violation of law
      by
      the Holder or any other Person, and irrespective of any other circumstance
      which
      might otherwise limit such obligation of the Company to the Holder in connection
      with such exercise. If the Company fails to issue and deliver the certificates
      for the Common Stock to the Holder pursuant to the first sentence of this
      paragraph as and when required to do so, in addition to any other liabilities
      the Company may have hereunder and under applicable law, the Company shall
      pay
      or reimburse the Holder on demand for all out-of-pocket expenses, including,
      without limitation, fees and expenses of legal counsel, incurred by the Holder
      as a result of such failure.

    

    3.    Adjustment
      for Dividends in Other Stock, Property, etc.; Reclassification,
      etc.
      In case
      at any time or from time to time on or after the Issuance Date, all the holders
      of Common Stock (or Other Securities) shall have received, or (on or after
      the
      record date fixed for the determination of stockholders eligible to receive)
      shall have become entitled to receive, without payment therefor,

    

    (a)    other
      or
      additional stock, rights, warrants or other securities or property (other than
      cash) by way of dividend, or

    

    (b)    any
      cash
      (excluding cash dividends payable solely out of earnings or earned surplus
      of
      the Company), or

    

    (c)    other
      or
      additional stock, rights, warrants or other securities or property (including
      cash) by way of spin-off, split-up, reclassification, recapitalization,
      combination of shares or similar corporate rearrangement,

    
      
         

      

      
        -7-

        
          

        

      

      
         

      

       

    

    other
      than (i) additional shares of Common Stock (or Other Securities) issued as
      a
      stock dividend or in a stock-split (adjustments in respect of which are provided
      for in Section 5) and (ii) rights or warrants to subscribe for Common Stock
      at
      less than the Current Fair Market Value (adjustments in respect of which are
      provided in Section 6), then and in each such case the Holder, on the exercise
      hereof as provided in Section 1, shall be entitled to receive the amount of
      stock, rights, warrants and Other Securities and property (including cash in
      the
      cases referred to in subdivisions (b) and (c) of this Section 3) which the
      Holder would hold on the date of such exercise if on the date thereof the Holder
      had been the holder of record of the number of shares of Common Stock called
      for
      on the face of this Warrant and had thereafter, during the period from the
      date
      thereof to and including the date of such exercise, retained such shares and
      all
      such other or additional stock, rights, warrants and Other Securities and
      property (including cash in the case referred to in subdivisions (b) and (c)
      of
      this Section 3) receivable by the Holder as aforesaid during such period, giving
      effect to all adjustments called for during such period by Section
      4.

    

    4.    Exercise
      upon a Reorganization Event.
      In case
      of any Reorganization Event the Company shall, as a condition precedent to
      the
      consummation of the transactions constituting, or announced as, such
      Reorganization Event, cause effective provisions to be made so that the Holder
      shall have the right thereafter, by exercising this Warrant (in lieu of the
      shares of Common Stock of the Company and Other Securities or property
      purchasable and receivable upon exercise of the rights represented hereby
      immediately prior to such transaction) to purchase the kind and amount of shares
      of stock and Other Securities and property (including cash) receivable upon
      such
      Reorganization Event by a holder of the number of shares of Common Stock that
      might have been received upon exercise of this Warrant immediately prior to
      such
      Reorganization Event. Any such provision shall include provisions for
      adjustments in respect of such shares of stock and Other Securities and property
      that shall be as nearly equivalent as may be practicable to the adjustments
      provided for in this Warrant. The provisions of this Section 4 shall apply
      to
      successive Reorganization Events.

    

    5.    Adjustment
      for Certain Extraordinary Events.
      In the
      event that on or after the Issuance Date the Company shall (i) issue additional
      shares of the Common Stock as a dividend or other distribution on outstanding
      Common Stock, (ii) subdivide or reclassify its outstanding shares of Common
      Stock, or (iii) combine its outstanding shares of Common Stock into a smaller
      number of shares of Common Stock, then, in each such event, the Purchase Price
      shall, simultaneously with the happening of such event, be adjusted by
      multiplying the Purchase Price in effect immediately prior to such event by
      a
      fraction, the numerator of which shall be the number of shares of Common Stock
      outstanding immediately prior to such event and the denominator of which shall
      be the number of shares of Common Stock outstanding immediately after such
      event, and the

    
      
         

      

      
        -8-

        
          

        

      

      
         

      

    

     

    product
      so obtained shall thereafter be the Purchase Price then in effect. The Purchase
      Price, as so adjusted, shall be readjusted in the same manner upon the happening
      of any successive event or events described herein in this Section 5. The Holder
      shall thereafter, on the exercise hereof as provided in Section 1, be entitled
      to receive that number of shares of Common Stock determined by multiplying
      the
      number of shares of Common Stock which would be issuable on such exercise
      immediately prior to such issuance by a fraction of which (i) the numerator
      is
      the Purchase Price in effect immediately prior to such issuance and (ii) the
      denominator is the Purchase Price in effect on the date of such
      exercise.

    

    6.    Issuance
      of Rights or Warrants to Common Stockholders at less than Current Fair Market
      Value.
      In case
      the Company shall on or after the Issuance Date issue rights or warrants to
      all
      holders of its outstanding shares of Common Stock entitling them to subscribe
      for or purchase shares of Common Stock at a price per share less than the
      Current Fair Market Value on the record date fixed for the determination of
      stockholders entitled to receive such rights or warrants, then

    

    (a)    the
      Purchase Price shall be adjusted so that the same shall equal the price
      determined by multiplying the Purchase Price in effect at the opening of
      business on the day after such record date by a fraction of which the numerator
      shall be the number of shares of Common Stock outstanding at the close of
      business on such record date plus the number of shares which the aggregate
      offering price of the total number of shares so offered would purchase at such
      Current Fair Market Value, and the denominator shall be the number of shares
      of
      Common Stock outstanding on the close of business on such record date plus
      the
      total number of additional shares of Common Stock so offered for subscription
      or
      purchase; and

    

    (b)    the
      number of shares of Common Stock which the Holder may thereafter purchase upon
      exercise of this Warrant at the opening of business on the day after such record
      date shall be increased to a number equal to the quotient obtained by dividing
      (x) the Aggregate Purchase Price in effect immediately prior to such adjustment
      in the Purchase Price pursuant to clause (a) of this Section 6 by
      (y) the
      Purchase Price in effect immediately after such adjustment in the Purchase
      Price
      pursuant to clause (a) of this Section 6.

    

    Such
      adjustment shall become effective immediately after the opening of business
      on
      the day following the record date fixed for determination of stockholders
      entitled to receive such rights or warrants. To the extent that shares of Common
      Stock are not delivered pursuant to such rights or warrants, upon the expiration
      or termination of such rights or warrants, the Purchase Price shall be
      readjusted to the Purchase Price which would then be in effect had the
      adjustments made upon the issuance of such rights or warrants been made on
      the
      basis of delivery of only

      
        
           

        

        
          -9-

          
            

          

        

        
           

        

      

    the
      number of shares of Common Stock actually delivered and the number of shares
      of
      Common Stock for which this Warrant may thereafter be exercised shall be
      readjusted (subject to proportionate adjustment for any intervening exercises
      of
      this Warrant) to the number which would then be in effect had the adjustments
      made upon the issuance of such rights or warrants been made on the basis of
      delivery of only the number of shares of Common Stock actually delivered. In
      the
      event that such rights or warrants are not so issued, the Purchase Price shall
      again be adjusted to be the Purchase Price which would then be in effect if
      such
      record date had not been fixed and the number of shares of Common Stock for
      which this Warrant may thereafter be exercised shall again be adjusted (subject
      to proportionate adjustment for any intervening exercises of this Warrant)
      to be
      the number which would then be in effect if such record date had not been fixed.
      In determining whether any rights or warrants entitle the holder to subscribe
      for or purchase shares of Common Stock at less than such Current Fair Market
      Value, and in determining the aggregate offering price of such shares of Common
      Stock, there shall be taken into account any consideration received for such
      rights or warrants, the value of such consideration, if other than cash, to
      be
      determined by the Board of Directors.

    

    7.    Issuance
      at Less than Current Fair Market Value.
      (a) In
      case at any time on or after the Issuance Date the Company shall issue shares
      of
      its Common Stock or Common Stock Equivalents (collectively, the “Newly Issued
      Shares”), other than an issuance pro rata to all holders of its outstanding
      Common Stock (adjustments for which are provided in Sections 5 and 6) and other
      than an issuance in respect of which Section 9 is applicable, at a price below
      the Current Fair Market Value of the Common Stock at the time of such issuance,
      then following such issuance of Newly Issued Shares the Purchase Price shall
      be
      reduced as provided in clause (b) of this Section 7 and the number of shares
      of
      Common Stock which may be issued upon exercise of this Warrant shall be
      increased as provided in clause (c) of this Section 7. 

    

    (b)    The
      reduction in the Purchase Price following any such adjustment shall be
      determined by multiplying the Purchase Price immediately prior to such
      adjustment by a fraction, of which the numerator shall be the sum of (1) the
      number of shares of Common Stock outstanding immediately prior to the issuance
      of the Newly Issued Shares (calculated on a fully-diluted basis assuming the
      exercise or conversion of all options, warrants, purchase rights or convertible
      securities which are exercisable or convertible at the time of the issuance
      of
      the Newly Issued Shares) plus
      (2)
      the
      number of shares of Common Stock which the aggregate consideration, if any,
      received by the Company for the number of Newly Issued Shares would purchase
      at
      a price equal to the Current Fair Market Value of the Common Stock at the time
      of such issuance, and the denominator shall be the sum of (X) the number of
      shares of Common Stock outstanding immediately prior to the issuance of the
      Newly Issued Shares (calculated on a fully-diluted basis assuming the exercise
      or conversion of all options, warrants, purchase rights or

    
      
         

      

      
        -10-

        
          

        

      

      
         

      

    

     

    convertible
      securities which are exercisable or convertible at the time of the issuance
      of
      the Newly Issued Shares) plus
      (Y)
      the
      number of Newly Issued Shares. The adjustment provided for in this Section
      7(b)
      may be expressed as the following mathematical formula: 

    

    
      	 	
                (
                O +(C / FMV))  

            	
              x
                PP

            
	
              NPP=

            	
              (
                O
                + N )

            	 

    

    

    where,

    

    
      	 	
              C

            	
              =

            	
              aggregate
                consideration received by the Company for the Newly Issued
                Shares

            

    

    

    
      	 	
              N

            	
              =

            	
              number
                of Newly Issued Shares

            

    

    

    
      	 	
              O

            	
              =

            	
              number
                of shares of Common Stock outstanding (on a fully diluted basis,
                as
                described above) immediately prior to the issuance of the Newly Issued
                Shares

            

    

    

    
      	 	
              FMV

            	
              =

            	
              Current
                Fair Market Value of the Common Stock at the time of issuance of
                the Newly
                Issued Shares

            

    

    

    
      	 	
              PP

            	
              =

            	
              Purchase
                Price immediately prior to the issuance of the Newly Issued
                Shares

            

    

    

    
      	 	
              NPP

            	
              =

            	
              Purchase
                Price immediately after the issuance of the Newly Issued
                Shares

            

    

    

    (c)    If
      the
      Purchase Price is reduced in connection with the issuance of Newly Issued Shares
      as provided in Section 7(b), then the number of shares of Common Stock for
      which
      this Warrant may thereafter be exercised shall be increased at the time of
      such
      reduction in the Purchase Price to a number equal to the quotient obtained
      by
      dividing (x) the Aggregate Purchase Price in effect immediately prior to such
      issuance of Newly Issued Shares by
      (y) the
      Purchase Price in effect immediately after such issuance of Newly Issued Shares
      after giving effect to such reduction in the Purchase Price pursuant to Section
      7(b).

    

    (d)    Notwithstanding
      the foregoing, no adjustment shall be made under this Section 7 by reason
      of:

    

    (1)    the
      issuance by the Company of shares of Common Stock pro rata to all holders of
      the
      Common Stock so long as (i) any adjustment required by Section 5 is made and
      (ii) the Company shall have given notice thereof to the Holder pursuant to
      Section 14;

      
        
           

        

        
          -11-

          
            

          

        

        
           

        

      

    (2)    the
      issuance by the Company of the Notes, the Other Notes, the Warrants or the
      Other
      Warrants or shares of Common Stock upon conversion of the Notes, or the Other
      Notes or upon exercise of this Warrant or the Other Warrants or in accordance
      with the terms hereof and thereof; 

    

    (3)    the
      issuance of Common Stock upon conversion, exercise or exchange of Common Stock
      Equivalents outstanding on the Issuance Date in accordance with their terms
      on
      the Issuance Date; or

     

    (4)    the
      issuance
      by the Company of Common Stock and Common Stock Equivalents as consideration
      for
      acquisitions; provided, that such shares in the aggregate amount to no more
      than
      1,853,536 shares (as may be adjusted for stock splits, combinations,
      recapitalizations and the like); and provided further that, to the extent any
      shares are issued in excess of such amount, adjustment shall be made pursuant
      to
      this provision with respect to the issuance of all such shares.

    

    8.    Adjustment
      For Certain Issuances.
      (a) In
      case at any time on or after the Issuance Date the Company issues shares of
      Common Stock or Common Stock Equivalents at a price per share at which the
      Company sells such shares of Common Stock or the price per share at which the
      holders of such Common Stock Equivalents are entitled to acquire shares of
      Common Stock upon conversion or exercise thereof which is less than the Purchase
      Price in effect at the time of such issuance, then following such issuance
      the
      Purchase Price shall be reduced to the price per share (or weighted average
      price per share, if such shares are issued, or such Common Stock Equivalents
      may
      be converted or exercised, at different prices) at which such shares of Common
      Stock are issued or at which such Common Stock Equivalents may be exercised,
      if
      the same is lower than the Purchase Price in effect immediately prior to such
      issuance. If the Purchase Price is reduced pursuant to this Section 8, then
      the
      number of shares of Common Stock for which this Warrant may thereafter be
      exercised shall be increased at the time of such reduction of the Purchase
      Price
      to a number equal to the quotient obtained by dividing (x) the Aggregate
      Purchase Price in effect immediately prior to such issuance by
      (y) the
      Purchase Price in effect immediately after such issuance after giving effect
      to
      such reduction in the Purchase Price pursuant to this Section 8.

    

    (b)    If
      any
      adjustment in the Purchase Price is made pursuant to this Section 8 in respect
      of any issuance of shares of Common Stock or Common Stock Equivalents, no
      adjustment in the Purchase Price or the number of shares of Common Stock
      issuable upon exercise of this Warrant shall be made by reason of such issuance
      pursuant to Section 8.

    

    (c)    Notwithstanding
      the foregoing, no adjustment shall be made under this Section 8 by reason
      of:

    
      
         

      

      
        -12-

        
          

        

      

      
         

      

    

    (1)    the
      issuance by the Company of shares of Common Stock pro rata to all holders of
      the
      Common Stock so long as (i) any adjustment required by Section 5 is made and
      (ii) the Company shall have given notice thereof to the Holder pursuant to
      Section 14;

    

    (2)    the
      issuance by the Company of the Notes, the Other Notes, the Warrants or the
      Other
      Warrants or shares of Common Stock upon conversion of the Notes, or the Other
      Notes or upon exercise of this Warrant or the Other Warrants or in accordance
      with the terms hereof and thereof; 

    

    (3)    the
      issuance of Common Stock upon conversion, exercise or exchange of Common Stock
      Equivalents outstanding on the Issuance Date in accordance with their terms
      on
      the Issuance Date; or

    

    (4)    the
      issuance by the Company of option grants for Common Stock or other of the
      Company’s equity securities for employees under a stock option, equity
      compensation or similar plan duly adopted by the Board of Directors in an amount
      not to exceed 926,768 shares (as may be adjusted for stock splits, combinations,
      recapitalizations and the like); provided that, to the extent any shares are
      issued in excess of such amount, adjustment shall be made pursuant to this
      provision with respect to the issuance of all such shares; or

    

    (5)    the
      issuance by the Company of Common Stock and Common Stock Equivalents as
      consideration for acquisitions; provided that such shares in the aggregate
      amount to no more than 1,853,536 shares (as may be adjusted for stock splits,
      combinations, recapitalizations and the like); and provided further that, to
      the
      extent any shares are issued in excess of such amount, adjustment shall be
      made
      pursuant to this provision with respect to the issuance of all such
      shares.

    

    9.    Effect
      of Reclassification, Consolidation, Merger or Sale. (a)
      If
      any of the following events occur, namely (i) any reclassification or change
      of
      the outstanding shares of Common Stock (other than a change in par value, or
      from par value to no par value, or from no par value to par value, or as a
      result of a subdivision or combination), (ii) any consolidation, merger or
      combination of the Company with another corporation as a result of which holders
      of Common Stock shall be entitled to receive stock, securities or other property
      or assets (including cash) with respect to or in exchange for such Common Stock,
      or (iii) any sale or conveyance of the properties and assets of the Company
      as,
      or substantially as, an entirety to any other Person as a result of which
      holders of Common Stock shall be entitled to receive stock, securities or other
      property or assets (including cash) with respect to or in exchange for such
      Common Stock, then the Company or the successor or purchasing Person, as the
      case may be, shall execute with the Holder a written agreement providing that
      (x) this Warrant shall thereafter entitle the Holder to purchase the kind and
      amount of shares of stock and Other Securities or property or assets (including
      cash) receivable upon such reclassification, change,

      
        
           

        

        
          -13-

          
            

          

        

        
           

        

      

    consolidation,
      merger, combination, sale or conveyance by the holder of a number of shares
      of
      Common Stock issuable upon exercise of this Warrant (assuming, for such
      purposes, a sufficient number of authorized shares of Common Stock available
      to
      exercise this Warrant) immediately prior to such reclassification, change,
      consolidation, merger, combination, sale or conveyance assuming such holder
      of
      Common Stock did not exercise such holder's rights of election, if any, as
      to
      the kind or amount of securities, cash or other property receivable upon such
      consolidation, merger, statutory exchange, sale or conveyance (provided
      that, if
      the kind or amount of securities, cash or other property receivable upon such
      consolidation, merger, statutory exchange, sale or conveyance is not the same
      for each share of Common Stock in respect of which such rights of election
      shall
      not have been exercised (“non-electing share”), then for the purposes of this
      Section 9 the kind and amount of securities, cash or other property receivable
      upon such consolidation, merger, statutory exchange, sale or conveyance for
      each
      non-electing share shall be deemed to be the kind and amount so receivable
      per
      share by a plurality of the non-electing shares), (y) in the case of any such
      successor or purchasing Person, upon such consolidation, merger, combination,
      sale or conveyance such successor or purchasing Person shall be jointly and
      severally liable with the Company for the performance of all of the Company's
      obligations under this Warrant and the Note Purchase Agreement and (z) if
      registration or qualification is required under the 1933 Act or applicable
      state
      law for the public resale by the Holder of such shares of stock and Other
      Securities so issuable upon exercise of this Warrant, such registration or
      qualification shall be completed prior to such reclassification, change,
      consolidation, merger, combination or sale. Such written agreement shall provide
      for adjustments which shall be as nearly equivalent as may be practicable to
      the
      adjustments provided for in this Warrant. If, in the case of any such
      reclassification, change, consolidation, merger, combination, sale or
      conveyance, the stock or other securities and assets receivable thereupon by
      a
      holder of shares of Common Stock includes shares of stock or other securities
      and assets of a corporation other than the successor or purchasing corporation,
      as the case may be, in such reclassification, change, consolidation, merger,
      combination, sale or conveyance, then such written agreement shall also be
      executed by such other corporation and shall contain such additional provisions
      to protect the interests of the Holder as the Board of Directors shall
      reasonably consider necessary by reason of the foregoing.

    

    (b)    The
      above
      provisions of this Section 9 shall similarly apply to successive
      reclassifications, changes, consolidations, mergers, combinations, sales and
      conveyances.

    

    (c)    If
      this
      Section 9 applies to any event or occurrence, Section 4 shall not apply to
      such
      event or occurrence.

    

    10.    Tax
      Adjustments. The
      Company may make such reductions in the Purchase Price, in addition to those
      required by Sections 3, 4, 5, 6, 7 and 8, as

      
        
           

        

        
          -14-

          
            

          

        

        
           

        

      

    the
      Board
      of Directors considers to be advisable to avoid or diminish any income tax
      to
      holders of Common Stock or rights to purchase Common Stock resulting from any
      dividend or distribution of stock (or rights to acquire stock) or from any
      event
      treated as such for income tax purposes.

    

    11.    Minimum
      Adjustment.
      (a) No
      adjustment in the Purchase Price (and no related adjustment in the number of
      shares of Common Stock which may thereafter be purchased upon exercise of this
      Warrant) shall be required unless such adjustment would require an increase
      or
      decrease of at least 1% in the Purchase Price; provided,
      however, that
      any
      adjustments which by reason of this Section 11 are not required to be made
      shall
      be carried forward and taken into account in any subsequent adjustment. All
      such
      calculations under this Warrant shall be made by the Company and shall be made
      to the nearest cent or to the nearest one hundredth of a share, as the case
      may
      be.

    

    (b)    No
      adjustment need be made for a change in the par value of the Common Stock or
      from par value to no par value or from no par value to par value.

    

    12.    Notice
      of Adjustments.
      Whenever
      the Purchase Price is adjusted as herein provided, the Company shall promptly,
      but in no event later than five Trading Days thereafter, give a notice to the
      Holder setting forth the Purchase Price and number of shares of Common Stock
      which may be purchased upon exercise of this Warrant after such adjustment
      and
      setting forth a brief statement of the facts requiring such adjustment but
      which
      such statement shall not include any information which would be material
      non-public information for purposes of the 1934 Act. Failure to deliver such
      notice shall not affect the legality or validity of any such
      adjustment.

    

    13.    Further
      Assurances.
      The
      Company will take all action that may be necessary or appropriate in order
      that
      the Company may validly and legally issue fully paid and nonassessable shares
      of
      stock, free from all taxes, liens and charges with respect to the issue thereof,
      on the exercise of all or any portion of this Warrant from time to time
      outstanding.

    

    14.    Notice
      to Holder Prior to Certain Actions. In
      case
      on or after the Issuance Date:

    

    (a)    the
      Company shall declare a dividend (or any other distribution) on its Common
      Stock
      (other than in cash out of retained earnings); or

    

    (b)    the
      Company shall authorize the granting to the holders of its Common Stock of
      rights or warrants to subscribe for or purchase any share of any class or any
      other rights or warrants; or

      
        
           

        

        
          -15-

          
            

          

        

        
           

        

      

    (c)    the
      Board
      of Directors shall authorize any reclassification of the Common Stock (other
      than a subdivision or combination of its outstanding Common Stock, or a change
      in par value, or from par value to no par value, or from no par value to par
      value), or any consolidation or merger or other business combination transaction
      to which the Company is a party and for which approval of any stockholders
      of
      the Company is required, or the sale or transfer of all or substantially all
      of
      the assets of the Company; or

    

    (d)    there
      shall be pending the voluntary or involuntary dissolution, liquidation or
      winding-up of the Company;

    

    the
      Company shall give the Holder, as promptly as possible but in any event at
      least
      ten Trading Days prior to the applicable date hereinafter specified, a notice
      stating (x) the date on which a record is to be taken for the purpose of such
      dividend, distribution or rights or warrants, or, if a record is not to be
      taken, the date as of which the holders of Common Stock of record to be entitled
      to such dividend, distribution or rights are to be determined, or (y) the date
      on which such reclassification, consolidation, merger, other business
      combination transaction, sale, transfer, dissolution, liquidation or winding-up
      is expected to become effective or occur, and the date as of which it is
      expected that holders of Common Stock of record who shall be entitled to
      exchange their Common Stock for securities or other property deliverable upon
      such reclassification, consolidation, merger, other business combination
      transaction, sale, transfer, dissolution, liquidation or winding-up shall be
      determined. Such notice shall not include any information which would be
      material non-public information for purposes of the 1934 Act. Failure to give
      such notice, or any defect therein, shall not affect the legality or validity
      of
      such dividend, distribution, reclassification, consolidation, merger, sale,
      transfer, dissolution, liquidation or winding-up. In the case of any such action
      of which the Company gives such notice to the Holder or is required to give
      such
      notice to the Holder, the Holder shall be entitled to give a subscription form
      to exercise this Warrant in whole or in part that is contingent on the
      completion of such action.

    

    15.    Reservation
      of Stock, etc., Issuable on Exercise of Warrants.
      Subject
      to the provisions of Section 5(l) of the Note Purchase Agreement, the Company
      will at all times reserve and keep available out of its authorized but unissued
      shares of capital stock, solely for issuance and delivery on the exercise of
      this Warrant, a sufficient number of shares of Common Stock (or Other
      Securities) to effect the full exercise of this Warrant and the exercise,
      conversion or exchange of any other warrant or security of the Company
      exercisable for, convertible into, exchangeable for or otherwise entitling
      the
      holder to acquire shares of Common Stock (or Other Securities), and if at any
      time the number of authorized but unissued shares of Common Stock (or Other
      Securities) shall not be sufficient to effect such exercise, conversion or
      exchange, the Company shall take such action as may be necessary to increase
      its
      authorized but unissued shares of

      
        
           

        

        
          -16-

          
            

          

        

        
           

        

      

    Common
      Stock (or Other Securities) to such number as shall be sufficient for such
      purposes.

    

    16.    Transfer
      of Warrant.
      This
      Warrant shall inure to the benefit of the successors to and assigns of the
      Holder. This Warrant and all rights hereunder, in whole or in part, are
      registrable at the office or agency of the Company referred to below by the
      Holder in Person or by his duly authorized attorney, upon surrender of this
      Warrant properly endorsed accompanied by an assignment form in the form
      attached to
      this
      Warrant, or other customary form, duly executed by the transferring
      Holder.

    

    17.    Register
      of Warrants.
      The
      Company shall maintain, at the principal office of the Company (or such other
      office as it may designate by notice to the Holder), a register in which the
      Company shall record the name and address of the Person in whose name this
      Warrant has been issued, as well as the name and address of each successor
      and
      prior owner of such Warrant. The Company shall be entitled to treat the Person
      in whose name this Warrant is so registered as the sole and absolute owner
      of
      this Warrant for all purposes.

    

    18.    Exchange
      of Warrant.
      This
      Warrant is exchangeable, upon the surrender hereof by the Holder at the office
      or agency of the Company referred to in Section 16, for one or more new Warrants
      of like tenor representing in the aggregate the right to subscribe for and
      purchase the number of shares of Common Stock which may be subscribed for and
      purchased hereunder, each of such new Warrants to represent the right to
      subscribe for and purchase such number of shares as shall be designated by
      the
      Holder at the time of such surrender.

    

    19.    Replacement
      of Warrant.
      On
      receipt by the Company of evidence reasonably satisfactory to it of the
      ownership of and the loss, theft, destruction or mutilation of this Warrant
      and
      (a) in the case of loss, theft or destruction, of indemnity from the Holder
      reasonably satisfactory in form to the Company (and without the requirement
      to
      post any bond or other security), or (b) in the case of mutilation, upon
      surrender and cancellation of this Warrant, the Company will execute and deliver
      to the Holder a new Warrant of like tenor without charge to the
      Holder.

    

    20.    Warrant
      Agent.
      The
      Company may, by written notice to the Holder, appoint the transfer agent and
      registrar for the Common Stock as the Company's agent for the purpose of issuing
      Common Stock (or Other Securities) on the exercise of this Warrant pursuant
      to
      Section 1, and the Company may, by written notice to the Holder, appoint an
      agent having an office in the United States of America for the purpose of
      exchanging this Warrant pursuant to Section 18, and 

    
      
         

      

      
        -17-

        
          

        

      

      
         

      

    

     

    replacing
      this Warrant pursuant to Section 19, or any of the foregoing, and thereafter
      any
      such exchange or replacement, as the case may be, shall be made at such office
      by such agent.

    

    21.    Remedies.
      The
      Company stipulates that the remedies at law of the Holder in the event of any
      default or threatened default by the Company in the performance of or compliance
      with any of the terms of this Warrant are not and will not be adequate, and
      that
      such terms may be specifically enforced by a decree for the specific performance
      of any agreement contained herein or by an injunction against a violation of
      any
      of the terms hereof or otherwise.

    

    22.    No
      Rights or Liabilities as a Stockholder.
      This
      Warrant shall not entitle the Holder to any voting rights or other rights as
      a
      stockholder of the Company. Nothing contained in this Warrant shall be construed
      as conferring upon the Holder the right to vote or to consent or to receive
      notice as a stockholder of the Company on any matters or with respect to any
      rights whatsoever as a stockholder of the Company. No dividends or interest
      shall be payable or accrued in respect of this Warrant or the interest
      represented hereby or the Common Stock (or Other Securities) purchasable
      hereunder until, and only to the extent that, this Warrant shall have been
      exercised in accordance with its terms.

    

    23.    Notices,
      etc.
      All
      notices and other communications from the Company to the Holder shall be mailed
      by first class certified mail, postage prepaid, at such address as may have
      been
      furnished to the Company in writing by the Holder or at the address shown for
      the Holder on the register of Warrants referred to in Section 16.

    

    24.    Transfer
      Restrictions.
      This
      Warrant has not been and is not being registered under the provisions of the
      1933 Act or any state securities laws and this Warrant may not be transferred
      unless (1) the transferee is an “accredited investor” (as defined in Regulation
      D under the 1933 Act) or a QIB in a transfer that meets the requirements of
      Rule
      144A and (2) the Holder shall have delivered to the Company an opinion of
      counsel, reasonably satisfactory in form, scope and substance to the Company,
      to
      the effect that this Warrant may be sold or transferred without registration
      under the 1933 Act. Prior to any such transfer, such transferee shall have
      represented in writing to the Company that such transferee has requested and
      received from the Company all information relating to the business, properties,
      operations, condition (financial or other), results of operations or prospects
      of the Company deemed relevant by such transferee; that such transferee has
      been
      afforded the opportunity to ask questions of the Company concerning the
      foregoing and has had the opportunity to obtain and review the Registration
      Statement (as defined in the Note Purchase Agreement) and the prospectus
      included therein, each as amended or supplemented to the date of transfer to
      such transferee, and the reports and other information concerning the Company
      which at the time of such transfer have been filed by the Company
      with

    
      
         

      

      
        -18-

        
          

        

      

      
         

      

    

     

    the
      SEC
      pursuant to the 1934 Act and which are incorporated by reference in such
      prospectus as of the date of such transfer. If such transfer is intended to
      assign the rights and obligations under Sections 5, 8, 9 and 10 of the Note
      Purchase Agreement, such transfer shall otherwise be made in compliance with
      Section 10(j) of the Note Purchase Agreement. 

    

    25.    Rule
      144A Information Requirement. Within
      the period prior to the expiration of the holding period applicable to sales
      hereof under Rule 144(k) under the 1933 Act (or any successor provision), the
      Company covenants and agrees that it shall, during any period in which it is
      not
      subject to Section 13 or 15(d) under the 1934 Act, make available to the Holder
      and the holder of any shares of Common Stock issued upon exercise of this
      Warrant which continue to be Restricted Securities in connection with any sale
      thereof and any prospective purchaser of this Warrant from the Holder, the
      information required pursuant to Rule 144A(d)(4) under the 1933 Act upon the
      request of the Holder and it will take such further action as the Holder may
      reasonably request, all to the extent required from time to time to enable
      the
      Holder to sell this Warrant without registration under the 1933 Act within
      the
      limitation of the exemption provided by Rule 144A, as Rule 144A may be
      amended from time to time. Upon the request of the Holder, the Company will
      deliver to the Holder a written statement as to whether it has complied with
      such requirements. 

    

    26.    Legend.
      Unless
      theretofore registered for resale under the 1933 Act, each certificate for
      shares issued upon exercise of this Warrant shall bear the following
      legend:

    

    The
      securities represented by this certificate have not been registered under the
      Securities Act of 1933, as amended (the “1933 Act”). The securities have been
      acquired for investment and may not be resold, transferred or assigned in the
      absence of an effective registration statement for the securities under the
      1933
      Act, or an opinion of counsel that registration is not required under the 1933
      Act.

    

    27.    Amendment;
      Waiver.
      This
      Warrant and any terms hereof may be changed, waived, discharged or terminated
      only by an instrument in writing and signed (x) by the Company if the Company
      is
      to be charged with enforcement or (y) by a majority in interest of the Holders
      of this Warrant and the Other Warrants, if the Holders are to be charged with
      enforcement, based upon the aggregate number of shares of Common Stock
      underlying this Warrant and the Other Warrants, and in any such case shall
      be
      effective only in the specific instance and for the purpose for which
      given.
      

    

    28.    Miscellaneous.
      This
      Warrant shall be construed and enforced in accordance with and governed by
      the
      internal laws of the State of New York. The headings, captions and footers
      in
      this Warrant are for purposes of reference only, 

    
      
         

      

      
        -19-

        
          

        

      

      
         

      

    

     

    and
      shall
      not limit or otherwise affect any of the terms hereof. The invalidity or
      unenforceability of any provision hereof shall in no way affect the validity
      or
      enforceability of any other provision.

    

    29.    Attorneys'
      Fees.
      In any
      litigation, arbitration or court proceeding between the Company and Holder
      relating hereto, the prevailing party shall be entitled to attorneys’ fees and
      expenses and all costs of proceedings incurred in enforcing this
      Warrant.

    

    [Remainder
      of Page Intentionally Left Blank]

      
        
           

        

        
          -20-

          
            

          

        

        
           

        

      

    IN
      WITNESS WHEREOF,
      the
      Company has caused this Warrant to be duly executed on its behalf by one of
      its
      officers thereunto duly authorized.

    

    Dated:
      February 2, 2007

    BERLINER
      COMMUNICATIONS, INC.

     

     

    By: 
      /s/
      Rich
      Berliner

      
        

      

    

    Name:
      Rich Berliner

    Title:
      Chief Executive Officer

    
      
         

      

      
        -21-

        
          

        

      

      
         

      

    

     

    ASSIGNMENT

    

    For
      value
                               
      hereby
      sell(s), assign(s) and transfer(s) unto                                
      (Please
      insert social security or other Taxpayer Identification Number of assignee:
                                     )
      the
      attached original, executed Warrant to purchase                          
      share of
      Common Stock of Berliner Communications, Inc., a Delaware corporation (the
      “Company”), and hereby irrevocably constitutes and appoints                                
      attorney
      to transfer the Warrant on the books of the Company, with full power of
      substitution in the premises.

    

    In
      connection with any transfer of the Warrant within the period prior to the
      expiration of the holding period applicable to sales thereof under Rule 144(k)
      under the 1933 Act (or any successor provision) (other than any transfer
      pursuant to a registration statement that has been declared effective under
      the
      1933 Act), the undersigned confirms that such Warrant is being
      transferred:

    

    
      	
            	o	
              To
                the Company or a subsidiary thereof;
                or

            

    

    

    
      	
            	o	
              To
                a QIB pursuant to and in compliance with Rule 144A;
                or

            

      	 	 	 

      	 	o	To
              an “accredited investor” (as defined in Regulation D under the 1933 Act)
              pursuant to and in compliance with the 1933 Act;
              or

      	 	 	 

      	 	o	Pursuant
              to and in compliance with Rule 144 under the 1933
              Act;

    

     

    and
      unless the box below is checked, the undersigned confirms that, to the knowledge
      of the undersigned, such Warrant is not being transferred to an “affiliate” (as
      defined in Rule 144 under the 1933 Act) of the Company.

    

    
      	
            	o	
              The
                transferee is an affiliate of the
                Company.

            

    

    

    Capitalized
      terms used in this Assignment and not defined in this Assignment shall have
      the
      respective meanings provided in the Warrant.

     

     

    Dated:
                                       

    NAME:

    
      
        

      

       

       

      
        

      

      Signature(s)

    

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    Exhibit
      1

    

    FORM
      OF SUBSCRIPTION

    

    BERLINER
      COMMUNICATIONS, INC.

    

    (To
      be
      signed only on exercise of Warrant)

    

    
      	TO:	
              Berliner
                Communications, Inc.

            

    

    [Address]

    

    Attention:
      Chief Executive Officer

    

    Facsimile
      No.: (___) __________

    

    1.    The
      undersigned Holder of the attached original, executed Warrant hereby elects
      to
      exercise its purchase right under such Warrant with respect to                             
      shares
      (the “Exercise Shares”) of Common Stock, as defined in the Warrant, of Berliner
      Communications, Inc., a Delaware corporation (the “Company”).

    

    2.    The
      undersigned Holder (check one):

    

    q    (a)elects
      to
      pay the Aggregate Purchase Price for such shares of Common Stock (i) in lawful
      money of the United States or by the enclosed certified or official bank check
      payable in United States dollars to the order of the Company in the amount
      of
      $                          ,
      or (ii)
      by wire transfer of United States funds to the account of the Company in the
      amount of $                            ,
      which
      transfer has been made before or simultaneously with the delivery of this Form
      of Subscription pursuant to the instructions of the Company;

    

    or

    

    q    (b)elects
      to
      receive shares of Common Stock having a value equal to the value of the Warrant
      calculated in accordance with Section 1(b) of the Warrant.

    

    3.    Please
      issue a stock certificate or certificates representing the appropriate number
      of
      shares of Common Stock in the name of the undersigned or in such other name(s)
      as is specified below:

    
      
         

      

      
        1-1

        
          

        

      

      
         

      

    

    

    Name:___________________________________________________________________

    

    Address:_________________________________________________________________

     

    _________________________________________________________________

     

    Social
      Security or Tax Identification Number (if any):

     

    ___________________________________________________

     

     

    Dated:_____________________________________________________

     

    
      
        	 	
                (Signature
                  must conform to name of

                Holder
                  as specified on the face of the Warrant)

              
	 	 
	 	  

	 	   
                
	 	
                (Address)

              

      

    

    
 

    
      
         

      

        1-2EX 10.1

    EXHIBIT
      10.1

     

    JOINDER
      AGREEMENT

     

    [NOTEHOLDER]
      (the “undersigned”) is executing and delivering this Joinder Agreement (this
“Agreement”) pursuant to Section 10(h)(2) of that certain Note Purchase
      Agreement, dated as of December 29, 2006, by and among Berliner Communications,
      Inc. (“Berliner”) and certain investors set forth in Schedule A attached thereto
      (the “Note Purchase Agreement”). Capitalized terms used but not otherwise
      defined herein shall have the meanings ascribed to them in the Note Purchase
      Agreement.

     

    R
      E C I T A L S

     

    WHEREAS,
      the
      undersigned desires to purchase a Note in the principal amount of [PRINCIPAL]
      and warrants to purchase [NUMBER OF] shares of Common Stock; and

     

    WHEREAS,
      the
      undersigned desires to enter into this Agreement to become, for all purposes,
      a
      Buyer and an Investor under the Note Purchase Agreement and to thereby evidence
      its intention to agree to be bound by the terms of the Note Purchase Agreement
      as if it were an original party thereto.

     

    A
      G R E E M E N T

     

    In
      consideration of the premises, the agreements herein contained and other good
      and valuable consideration, the receipt and sufficiency of which are hereby
      acknowledged, the undersigned agrees as follows:

     

    1.    The
      undersigned hereby acknowledges, agrees, and confirms that upon execution and
      delivery of this Agreement, the undersigned (and any successor in interest
      thereto) shall irrevocably become and be deemed to be a “Buyer” and an
“Investor” under the Note Purchase Agreement and shall have all of the
      obligations, rights and benefits of a “Buyer” and an “Investor” (as such terms
      are defined and used in the Note Purchase Agreement) for all purposes under
      the
      Note Purchase Agreement. The undersigned shall further be deemed to be a secured
      party pursuant to the Security Agreement and a beneficiary under the Guaranty,
      and shall have all the obligations, rights and benefits as such under such
      agreements.

     

    2.    The
      undersigned hereby acknowledges, agrees, and confirms that upon execution and
      delivery of this Agreement, the undersigned (or any successor in interest
      thereto) shall not be entitled to any obligations, rights or benefits expressly
      provided to Sigma Opportunity Fund, LLC or its affiliates (“Sigma”), in their
      individual capacity, under the Note Purchase Agreement.

     

    3.    The
      undersigned hereby acknowledges, agrees, and confirms that upon execution and
      delivery of this Agreement, all representations and warranties made by Berliner
      under the Note Purchase Agreement speak as of the date of execution of the
      Note
      Purchase Agreement, or such other date as expressly set forth therein.

     

    4.    The
      undersigned hereby acknowledges, agrees, and confirms that upon execution and
      delivery of this Agreement, all representations and warranties made by the
      undersigned as a

      
        
           

        

        
           

          
            

          

        

        
           

        

      

    “Buyer”
      under the Note Purchase Agreement speak as of the date of execution of this
      Agreement.

     

    5.    The
      undersigned represents and warrants that it has fully reviewed and understands
      the Note Purchase Agreement and acknowledges that it is not being, and has
      not
      been, represented by legal counsel for Berliner or Sigma. The undersigned
      further acknowledges that it has been advised to seek legal counsel independent
      of any party to the Note Purchase Agreement before executing this Agreement,
      and
      represents that independent legal counsel has been consulted to the extent
      deemed necessary by the undersigned or its duly authorized
      representatives.

     

    6.    (a)
      The
      undersigned hereby irrevocably designates Sigma Opportunity Fund, LLC as
      collateral agent (the “Collateral Agent”) for the ratable benefit of the holders
      of the Notes and Other Notes, with full authority in the place and stead of
      the
      undersigned and in the name of the undersigned, from time to time in the
      Collateral Agent’s discretion, to take any action and to execute any instrument
      which the Collateral Agent may deem necessary or advisable or required by
      applicable law to perfect and protect the security interest granted by the
      Security Agreement or to enable the undersigned to exercise and enforce its
      rights and remedies under the Security Agreement with respect to any of the
      collateral thereunder. Without limiting the generality of the foregoing, the
      Collateral Agent may execute and file such financing or continuation statements,
      or amendments thereto, and such other instruments or notices as may be necessary
      or advisable or required by applicable law or that the Collateral Agent may
      reasonably request to protect and preserve the security interests granted by
      the
      Security Agreement, without the signature of the undersigned. The Collateral
      Agent may perform any of its duties hereunder by and through its agents or
      employees. The undersigned authorizes the Collateral Agent to execute on its
      behalf any intercreditor agreement the Collateral Agent enters into with any
      senior lender permitted pursuant to the terms of the Note Purchase Agreement
      or
      the Note.

     

    (b)    The
      undersigned shall not have the right to cause the Collateral Agent to take
      any
      action with respect to the collateral, with only the holders of a majority
      interest of the Notes (the “Majority Holders”) having the right to direct the
      Collateral Agent to take any such action. If the Collateral Agent shall request
      instructions from the Majority Holders with respect to any act or action
      (including failure to act), the Collateral Agent shall be entitled to refrain
      from such act or taking such action unless and until it shall have received
      instructions from the Majority Holders, and to the extent requested, appropriate
      indemnification in respect of actions to be taken by the Collateral Agent;
      and
      the Collateral Agent shall not incur liability to any Person by reason of so
      refraining. Without limiting the foregoing, the undersigned shall not have
      any
      right of action whatsoever against the Collateral Agent as a result of the
      Collateral Agent acting or refraining from acting hereunder in accordance with
      the instructions of the Majority Holders or as otherwise specifically provided
      in the Agreement.

     

    (c)    The
      Collateral Agent shall have no duties or responsibilities except those expressly
      set forth in this Agreement. Neither the Collateral Agent nor any of its
      members, managers, employees or agents shall be liable for any action taken
      or
      omitted by it or them as such pursuant to this Agreement or in connection
      herewith, unless caused by its or their gross negligence or willful misconduct.
      The duties of the Collateral Agent shall be mechanical and administrative in
      nature and the Collateral Agent shall not have a fiduciary relationship in
      respect

      
        
           

        

        
           

          
            

          

        

        
           

        

      

    of
      the
      undersigned. Nothing in this Agreement, expressed or implied, shall be construed
      as to impose upon the Collateral Agent any obligation except as expressly set
      forth herein. Neither the Collateral Agent nor any of its members, managers,
      employees or agents shall be liable for any act it or they may do or omit to
      do
      while acting in good faith and in the exercise of its or their own best
      judgment. The Collateral Agent shall have the right at any time to consult
      with
      counsel on any question arising pursuant hereto and any act taken or omitted
      to
      be taken in reliance upon advice of counsel shall conclusively be deemed to
      have
      been done or omitted in good faith. The Collateral Agent shall incur no
      liability for any delay reasonably required to obtain the advice of
      counsel.

     

    (d)    The
      authority granted hereunder to the Collateral Agent shall continue and remain
      in
      full force and effect so long as the Senior Subordinated Secured Convertible
      Promissory Note issued by Berliner to the undersigned is outstanding and
      unpaid.

     

    7.    The
      undersigned further agrees to execute any and all additional documents,
      instruments or certificates, including, without limitation, a counterpart
      signature page to the Note Purchase Agreement, that Berliner may reasonably
      request be executed in order for the undersigned to become a party to the Note
      Purchase Agreement.

     

    8.    This
      Agreement may be signed and delivered by facsimile signature and in any number
      of counterparts, each of which shall be deemed an original, but all of which
      together shall constitute one instrument.

     

    9.    This
      Agreement shall be governed by, and construed and interpreted in accordance
      with, the laws of the State of New York, without regard to the principles of
      conflicts of laws thereof.

     

     

    [Signature
      Page Follows]

    
      
         

      

      
         

        
          

        

      

      
         

      

       

    

    IN
      WITNESS WHEREOF,
      the
      undersigned has caused this Joinder Agreement to be executed as of the 2nd
      day
      of February, 2007.

     

    [NOTEHOLDER]

     

     

    By:

      
        

      

    

    Name:

    Title:

    
 

    Agreed
      as
      to Section 6

    

    SIGMA
      OPPORTUNITY FUND, LLC

    
      	By:	
              Sigma
                Capital Advisors, managing member

            

    

     

    By: 
      /s/
      Thom
      Waye

      
        

      

    

    Thom
      Waye

    Manager

    

    

    ACKNOWLEDGED
      AND AGREED:

    

    

    BERLINER
      COMMUNICATIONS, INC.

     

     

    By: 
      /s/
      Rich
      Berliner

      
        

      

    

    Name:
      Rich Berliner

    Title:
      Chief Executive Officer

    

    

    BCI
      COMMUNICATIONS, INC.

     

     

    By: 
      /s/
      Rich
      Berliner

      
        

      

    

    Name:
      Rich Berliner

    Title:
      Chief Executive Officer

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