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Washington Laboratories (301) web: Lindbergh Dr. Gaithersburg, MD FCC Requirements for Unlicensed Devices Washington Laboratories, - ppt download
Washington Laboratories (301) 417-0220 web: www.wll.com7560 Lindbergh Dr. Gaithersburg, MD 20879 FCC Requirements for Unlicensed Devices Washington Laboratories,
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Presentation on theme: "Washington Laboratories (301) 417-0220 web: www.wll.com7560 Lindbergh Dr. Gaithersburg, MD 20879 FCC Requirements for Unlicensed Devices Washington Laboratories,"— Presentation transcript:
Washington Laboratories (301) web: Lindbergh Dr. Gaithersburg, MD FCC Requirements for Unlicensed Devices Washington Laboratories, Ltd. Laboratory Workshop Gaithersburg, MD 3
Regulatory Requirements for Wireless Systems Greg Snyder Chief EMC Engineer 4
Routes to Compliance US: Federal Communications Commission Title 47 CFR Telecommunications Certification Bodies FCC Identifier & Certification EU: R&TTE (+EMC+Safety) Self-Declaration CE Marking Notified Body/Conformity Assessment Body (CAB) Technical Construction File CE Marking 5
FCC CFR Title 47 Regulations Part 2 General Requirements Part 5 Experimental Radio Service Part 15 Subpart C, D, and E Unlicensed Low Power Transmitters Part 20 Common Carrier Part 21 Domestic Public Service Part 22 Public Mobile Service Part 24 Licensed PCS 6
FCC CFR 47 Regulations Part 25 Satellite Communication Services Part 26 General Wireless services Part 27 Miscellaneous Wireless Services Part 68 Telecom Services Part 73 Education Services Part 74 Television Broadcast Part 80 Maritime Service 7
FCC CFR 47 Regulations Part 87 Aviation Part 90 Private Land Mobile Part 95 Personal Radio Service Part 97 Amateur Radio Part 100 Digital Satellite Broadcast (Eliminated and now requirements are in Part 25) Part 101 Fixed Microwave 8
FCC Part 15.1: Scope This part sets out the regulations under which an intentional, unintentional, or incidental radiator may be operated without an individual license. It also contains the technical specifications, administrative requirements and other conditions relating to the marketing of part 15 devices. 9
FCC Part 15.15: General Technical Requirements Good Design. Emanations < Limits No adjustments by user Operators of Part 15 devices must cease operation if interference is caused to authorized users 10
Measurement Standards ANSI C63.4–2003: “Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz” MP-2: Noise Figures of UHF TV Receivers ANSI C63.17–1998: “Methods of Measurement of the Electromagnetic and Operational Compatibility of Unlicensed Personal Communications Services (UPCS) Devices” 11
Certification “Equipment Authorizations” Requires a detailed list of “Exhibits” See for complete details Essentially, two classes Licensed (e.g. Part 90, VHF/UHF Radios) Unlicensed: (e.g. Part 15, Much of the wireless development is unlicensed (802.11, WLAN, UWB, Low Power Devices) 12
Certification Application Items Cover Letters: Request for Confidentiality (if desired) Modifications Test Report from Lab User’s Manual Schematics Block Diagram Test Setup Photographs from Lab Internal/External Photographs by Lab FCC ID Label Artwork: FCC Label Position on Device Operational Description: Attestation Statements (for Transmitters) 13
FCC ID FCC ID: AAAnnnnnnnnnnnnnn AAA: is Grantee Code from FCC. Need to get the Grantee Code from FCC: nnnnnnnnnnnnnn: is from Manufacturer Get grantee code from web site “https://gullfoss.fcc.gov/prod/oet/index.html” Cost: $50 (one time only) The FCC ID number must be on all Certified Devices 14
Obtaining an FCC Grantee Code Procedures regarding online grantee code assignments and payment information: 1. Go to: https://gullfoss2.fcc.gov/prod/oet/cf/eas/index.cfmhttps://gullfoss2.fcc.gov/prod/oet/cf/eas/index.cfm 2. For first-time filers, go to Miscellaneous on the left side of the page. 3. Click on GET FRN. Follow Directions. WRITE DOWN FRN! 4. Go back to: https://gullfoss2.fcc.gov/prod/oet/cf/eas/index.cfmhttps://gullfoss2.fcc.gov/prod/oet/cf/eas/index.cfm 5. Go to Filing Options > Grantee Registration. Follow Directions. WRITE DOWN GRANTEE CODE 6. The client should retain the grantee code assignment page. This page provides the date that the grantee code was assigned. 7. Payment (one-time $50.00 fee) via online credit card is recommended as the quickest payment procedure. The payer should retain a copy of the acknowlegment of the payment. If for some reason the online payment fails, the payment (via check; money order; wire transfer; or credit card) and Form 159 should be submitted to Mellon Bank AS SOON AS POSSIBLE - within a day or two of the date the code was assigned, and certainly NO LONGER THAN 15 days after the code assignment. It is important to allow enough time for the payment to clear through Mellon Bank before the 30-day time limit. 15
FCC Part 2 Requirements 16
Test Report Requirements Designed to show transmitter is “well- behaved” – Output Power – Modulation Requirements – Occupied Bandwidth – Antenna Conducted Spurs – Transmitter Radiated Spurs – Frequency Stability 17
FCC Part 15C Low Power Transmitters “Unlicensed Operation” 18
15 C Intentional Radiators General Requirements: FCC FCC Class B Limits Only 19
15.33 Frequency range of radiated measurements Intentional Emitters: f < 10 GHz: to the tenth harmonic of the highest fundamental frequency or to 40 GHz, whichever is lower. 10 GHz < f < 30 GHz: fifth harmonic of the highest fundamental frequency or to 100 GHz, whichever is lower. f >: fifth harmonic of the highest fundamental frequency or to 200 GHz, whichever is lower, unless specified otherwise elsewhere in the rules. 20
15.33 Frequency range of radiated measurements Unintentional Emitters Highest frequency generated or used in the device or on which the device operates or Upper frequency of tunes (MHz) measurement range (MHz) Below Above th harmonic or 40 GHz, whichever is lower 15.33(b)(2) See exceptions for CB radios 21
Antenna Requirements Antenna requirement. - An intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. Unique connector Permanently affixed Professional Installation 22
Restricted Bands Bands are generally US Government, military bands, Biomedical Telemetry The field strength of emissions appearing within these frequency bands shall not exceed the limits shown in § Basis for all radiated “band edge” requirements (i.e MHz). Caution: Restricted Bands change over time 23
AC Conducted Limits Unless specified elsewhere, all Intentional Radiators must meet limits anywhere outside of their allotted frequency band CISPR 22 Limits (150 kHz – 30MHz, peak and average) (July 10, 2004) Limit = 250uV 450kHz to 30 MHz (peak only) Required if it connects directly or indirectly to AC mains Conducted emissions not required for battery powered devices 24
Radiated Emission Limits General Emissions Limits Unless specified elsewhere, all Intentional Radiators must meet limits anywhere outside of their allotted frequency band Test set-up per ANSI C Limits identical to FCC Class B. Tighter limits apply at all band edges Specific rules may apply for the device. Intentional radiators must generally be measured to the 10th Harmonic 25
Measurement Standards ANSI C per Part (a) (3) CISPR 22 (Must use ANSI setup) FCC Part 15 Other Resources: Public Notices, FCC Dockets, Interpretations 26
15.225: – MHz RFID devices (new rules in 2003) Allow the tag to be certified with the interrogator device Increased frequency range Limits increased 27
Periodic Operation 40.66MHz – 40.70MHz Above 70MHz Now allows data transmission to be sent with control signal (Late 2003) Limited to 5 second Tx duration Periodic transmissions not allowed Polling/supervision transmissions allowed for security and safety applications (e.g. alarm system) Limited in duration (2 sec./hour) 28
Periodic Operation Field strength limits: QP below 1GHz Average above 1GHz Duty cycle correction for pulsed operations Peak limit above 1GHz also applies 20dB Bandwidth limited to 0.25% of operating frequency 29
Periodic Operation Common devices: Garage door remotes Car entry systems/keyfobs Alarm systems Voice, video and radio controlled toys only permitted under (e) Tighter limits Limited transmission duration 30
Duty Cycle Correction Used with pulsed operation to obtain average value of emission Based on pulse train or worst case 100ms. 20dB Max duty cycle correction allowed 31
Duty Cycle Correction Example: Worst case 100ms 32
Duty Cycle Correction Pulse Width: 33
Duty Cycle Correction Calculation: On Time Per 100ms (worst case): 8.5 x 4.2ms = 35.7ms Duty cycle calculation: 35.7ms/100ms = 35.77% on time 20 * LOG(0.3577) = -8.9dB duty cycle correction. 34
Spread Spectrum ISM Band 902 – 928 MHz 2400 – MHz 5725 – 5850MHz Direct Sequence and Digital Transmission Systems Frequency Hopping Systems a/b/g systems 35
Spread Spectrum Definitions BER = Bit Error Rate dBc = decibels below carrier dBd = decibels above dipole dBi= decibels above an Isotropic dBm = decibels above 1 millwatt EIRP = Effective Isotropic Radiated Power ERP = Effective Radiated Power 36
Direct Sequence Systems (DSSS) Frequency Hopping Systems (FHSS) Hybrid Systems - Combination of DSS and DTS Digital Transmission Systems (DTS) Spread Spectrum Requirements 37
Spread Spectrum Direct Sequence and DTS use a sequential modulation to spread a narrow signal over a relative broad band. Frequency hopping - uses an encoded narrow band signal that shifts in a pseudo- randomly-generated frequency shifts. 38
Spread Spectrum Hybrid: Combination of both Frequency Hopping and Direct Sequence systems Bluetooth, e.g. 39
Spread Spectrum Operate in the Industrial, Scientific, and Medical bands on a secondary basis. ISM are global and not restricted by ITU regions 40
Spread Spectrum MHz MHz MHz 41
IEEE b Specifications Use Direct Sequence Radio rules U.S.Frequency of Operation 2412 – 2462 MHz ETSI Frequency of Operation MHz Channel Spacing Every 5 MHz Protocol Header Transmitted on Start of Every Initial Transmission 42
IEEE Frequency Hoppers U.S. Frequency of Operation ETSI Frequency of Operation Hop Patterns Header 43
Canadian Standards RSP-100 RSS RSS-210 RSS-102 44
US Standards CFR 47 FCC Part 15 Subpart B Unintentional Radiators CFR 47 FCC Part 15 Subpart C Intentional Radiators CFR 47 FCC Part Spread Spectrum 45
FCC Requirements for Spread Spectrum Devices Four types of transmitter modulation allowed Frequency Hopper Direct Sequence Digital Transmission Systems Hybrid 46
FCC Requirements for Spread Spectrum transmitters Transmitter Power Output 1 Watt Max Effective Isotropic Radiated Power 4 Watts Max Antenna Gain - limited to +6dBi without power reduction from transmitter of 1dB Power for Every 1dB Antenna Exceeds 6dBi Unique Antenna Jack Required 47
Additional FCC Requirements For systems Operating Strictly as a Point to Point system, the Power Reduction Requirement is 1dB for every 3dB the antenna exceeds 6dBi Device Must Meet OET-65 RF Safety Requirements (1mW/cm 2 for 2.4 GHz Devices) 48
Additional FCC Requirements Operate on Non-Interference Basis Out of Band Requirements including being 20dB down in any 100kHz Outside the Band of Operation and meet general emissions limits (15.209) in the Restricted Bands. 49
Modification Filings Class II Changes Addition of second antenna Addition of second power level Limited test suites can be used 50
Spurious Emission Requirements Conducted Emissions Limits 450 kHz to 30 MHz48dBuV Radiated Emissions Limits 30 to 88 MHz40 dBuV/m 88 to 216 MHz43.5 dBuV/m 216 to 960 MHz46 dBuV/m 960 MHz+54 dBuV/m 51
Frequency Hopping Requirements If maximum 20dB Bandwidth is 1 MHz (500kHz for 900 MHz) Minimum of 75 Hopping Frequencies for 2.4 GHz 50 hopping Frequencies for 900 MHz Average Occupancy less then 0.4 seconds in a 30 second period If maximum 20dB Bandwidth is > 1MHz Minimum of 13 channels over 75 MHz Average Occupancy less then 0.4 seconds in time to hop all channels Random Non-Sequential Hop Pattern 52
Direct Sequence / DTS Requirements Transmitter Power Density Averaged Over 1 Second Shall Not Exceed 8dBm In Any 3kHz Bandwidth Minimum Bandwidth is 500 kHz Processing gain no longer required 53
Hybrid Requirements Hop Time 0.4 Seconds in 30 Seconds Transmitter Power Density Averaged Over 1 Second Shall Not Exceed 8dBm In Any 3kHz Bandwidth 54
Conducted Power Diode detector substitution method The output from the transmitter connected to a diode detector and oscilloscope The peak deflection measured on the oscilloscope and recorded A signal generator was then substituted in place of EUT and set to the same frequency as the transmitter The CW output of the signal generator increased until the same deflection was noted on the oscilloscope A power meter connected to the output of the signal generator to determine the output power of the signal generator This level is then recorded as the output power of the EUT at the specified frequency The EUT carrier was modulated during this test. 55
Testing Radio testing done in several parts Lab bench testing for all conducted tests Open field test site or Anechoic Chamber for all radiated tests. 56
Family Antenna Approvals Allows the use similar antennas without re testing or filing a Class II Change. Example 12 dBi Omni approved for use. You can substitute a 10dBi Omni different manufacturer without re-testing as long as conducted TX Output Power Remains the Same 57
The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the provisions of this section. The manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited.. 58
Standard Connectors now include: Reverse SMA, TNC, BNC acceptable until action on pending petition for reconsideration MMCX, MCX are possible candidates 59
Power Amp Restrictions Amplifiers designed for use with Spread Spectrum Systems must be approved as part of the system and marketed as part of a complete package. 60
Spread Spectrum Requirements Modular Approval – This is being treated on a case-by-case basis by FCC. TCB has some limitations on approving modular cards depending on RF Exposure requirements. Antenna Family Approvals accepted 61
Spread Spectrum RF Exposure Requirements Fixed or mast mounted equipment (usually outdoor) Mobile equipment – usage greater than 20cm Portable equipment – usage less than 20cm. 62
Test Equipment Spectrum Analyzer to 10X Transmit Frequency (max GHz) Power meter with peak head adapter Extremely low loss cables Pre-amp High Pass & Notch Filters Horn antenna Signal Generator Oscilloscope Diode Detector Attenuators Adapters, miscellaneous 63
Test Data Required All spurious emission data above 1 GHz taken with average detector, but peak must be provided to show compliance with 15.35(b) Data and plots (peak & average) for band edge emissions Harmonics (peak & average) to 10th harmonic TX power (radiated & conducted) 64
Receiver Measurements Receiver and Spurious Emissions must meet the requirements of emission levels 65
Spurious Emissions In-Band Measurements Out-of-Band Measurements Spurious Emissions Conducted emissions at antenna terminals or Radiated emissions (if no antenna terminal) 66
Test Setup General Setup Radio BP/HP Filter 67
In-Band Conducted Measurements Transmit Power Occupied Bandwidth Power Spectral Density 68
In-Band Conducted Emissions Peak Transmit Power RBW>=6 dB BW Use power meter with peak head detector or Diode detector/signal generator substitution method with an oscilloscope. 69
In-Band Conducted Emissions Power Spectral Density RBW=3kHz; VBW>=RBW Sweep = Span/3kHz Typical, Span = 300 kHz, Sweep = 100s Limit = +8dBm 70
In-Band Conducted Emissions Power Spectral Density 71
Measurement Settings Occupied Bandwidth RBW = 100 kHz; VBW => RBW Span >> RBW 72
In-Band Measurements 6 dB OBW > 500 kHz 73
In-Band Radiated Measurements If no antenna connector: Radiated Transmit Power Peak Measurement (substitution method) EUT at Max Power With highest gain of each Spectrum Analyzer settings (Peak Readings) RBW > 6dB BW of emission VBW => RBW Spectrum Analyzer settings (Average Readings) RBW > 6dB BW of emission VBW => RBW 74
Spurious Emissions Harmonics (Radiated) Frequencies : Low, Middle, Highest Spectrum Analyzer settings Peak Measurements: RBW=1 MHz VBW= or >RBW Average Measurements: RBW=1 MHz, VBW = 10 Hz 75
Out-of-band Emissions Band Edge Low and Highest Frequency of operation Peak Readings RBW = 100 kHz; VBW = or > RBW Limit = 20dBc in any 100 kHz BW outside of allocated frequency band 76
Out-of-Band Conducted Emissions Band Edge 77
Band Edge Testing Low End For Frequencies between signals must be -20dBc down from fundamental For 2390 MHz to signals must comply with levels (Restricted Bands) 78
Band Edge Testing High End Restricted band starts at band edge - all signals must be compliant to 79
Out of Band Emission Requirements In any 100 kHz bandwidth outside the frequency band in which the spread spectrum intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or radiated measurement. 80
Spurious Emission Plots (30MHz-10X Fo) 81
Harmonics \ Restricted Bands Testing Required for Each transmitter and Antenna Combination. Low, Mid, and High Frequency checked Up to 10th Harmonic of Fundamental Requires Pre Amp and High Pass Filter Test Distance 3 meters 82
Receiver Local Oscillator Requires receiver to be tuned to low, mid, and high channels Each antenna and TX combination required to be checked Checked up to 10th harmonic 83
Bandwidth Measurements Conducted Test Requires Use of Spectrum Analyzer 84
FCC Submittal Information Test Data Quasi Peak below 1GHz Both average and Peak above Plots of Band Edge Measurements 85
FHSS FCC Requirements Max Power Out Max EIRP Bandwidth Data. 86
Required Test Software Must be able to turn off transmitter and go to receive only mode Must be able to select low, mid, and high channels Must be able to run in continuous transmit mode Modulation must be turned on For FH Radios - Must be able to hop on all useable channels 87
Spread Spectrum FCC Requirements Tx Output Power 1 Watt Effective Isotropic Radiated Power 4 Watts (36dBm) Antenna Gain: Limited to 6dBi (Output power must be reduced 1dB for every dB gain over 6dBi) Fixed Pt. to Pt. Systems in 2.4GHz band: Reduce power 1dB for every 3dB exceeding 6dBi. Fixed Pt. to Pt. Systems in 5.8GHz band: No reduction in output power required. Antenna requirements 88
Spread Spectrum FCC Requirements DSSS Out of band emissions: 20dBc in any 100kHz band Band edge requirements Bandwidth: DSSS (6dB minimum 500kHz) Spectral Power Density averaged over 1 second not to exceed +8dBm in any 3kHz bandwidth Processing Gain: No longer a requirement 89
Spread Spectrum FCC Requirements FHSS Minimum number of hopping frequencies 50 hopping frequencies for MHz 15 hopping frequencies for MHz 75 hopping frequencies for MHz Average occupancy less then 0.4 seconds in a 30 second period. [ 0.4 seconds in 0.4 second period x number of channels 2.4GHz band ] 20dB bandwidth: 1 MHz 5.8 GHz/ 500kHz MHz. Not specified at 2.4GHz Random non-sequential hop pattern 90
General Unlicensed/ISM Band MHz MHz MHz GHz Any type of data Continuous transmission E-Field emission limits 91
Unlicensed Transmitters Millimeter Wave Devices FCC Part Frequencies of operation GHz, GHz Limited to vehicle mounted field- disturbance systems 92
Unlicensed Transmitters Millimeter Wave Devices FCC Part Frequencies of operation GHz Can not be used on aircraft or satellites 93
Part 15 Subpart D - Unlicensed PCS Bands MHz MHz Unique Antenna Connector Required 3dBi Max (1 to 1 Power Reductions vs. antenna gain) 94
Unlicensed National Information Infrastructure UNII - Part GHz GHz GHz Specific power and usage limitations for each band Indoor use only with integral antennas in the GHz band. Unique antenna connectors DO NOT qualify 95
UNII Devices Continued New Rules: Docket No , Feb. 19, 2004 New 255 MHz of spectrum 5.47 – 5.725GHz Dynamic Frequency Range Selection (DFS) for devices in the 5.25 – 5.35GHz and 5.47 – 5.725GHz bands DFS Interim Test Procedures in rules. Transmit Power Control (TPC) 5.47 – 5.725GHz band. No testing, statement will suffice. Requires submission of application to FCC 96
Part 15 Subpart F: UWB Technology referred to as Ultra-Wide Band. This is a new rule part adopted in April of 2002 Does not yet qualify for TCB Approval No standardized test procedures yet adopted Devices range from see-through-wall devices, ground radar for construction and safety, to low power communication. Coordination with NTIA is required. Operates over wide area of band (1 to 6 GHz wide signals) 97
Comparison of Spectrum 30 kHz Analog Cellular Voice Channel 6 MHz TV Channel MHz Unlicensed Spread Spectrum Devices MHz Ultra-Wideband Devices 98
RF Exposure B -30 N F RE (ERP) 10 mm square. w b /2 vertical center line horizontal line bottom of handset acoustic output w t /2 A B 99
RF Safety Issues OET 65 (FCC) MPE: Maximum Permissible Exposure (calculation to determine separation distances) SAR: Specific Absorption Rate (test for body-worn devices) MPE or SAR Test Required? This can be determined by referencing OET Bulletin 65 Supplement C. 100
RF Safety Issues Human Exposure Rules and Regulations ANSI C95.1 OET 65 OET 65-C FCC Part FCC Part Mobile Devices FCC Part Portable Devices FCC Part (b) (4) 101
Part 15 and RF Exposure Though categorically excluded from Routine Examination under the FCC Rules, the FCC frequently requires a SAR test or SAR modeling done for portable devices if the power exceeds 100mW EIRP 102
Part 15 and RF Exposure The FCC will require a MPE study for both Mobile and Fixed devices that use high gain antennas. For evaluation purposes for SAR and MPE, the default limits are for Uncontrolled Environments which use the tighter limits. 103
Controlled Environment People are aware of potential hazards (posted warnings/training) Radio Facilities Test Environments Manufacturing Environments Limits: 5mW/cm 2 over a 5 minute period 104
Uncontrolled Environment People are unaware of potential hazards General Public Limits 1mW/cm 2 over a 30 minute period 105
Categories of Devices Fixed Mobile Portable 106
Fixed Device Permanent mounted device Antenna 2 meters away from all users and bystanders Antenna usually roof mounted or pole mounted 107
Mobile devices Designed to operate at 20cm or more from any bystander Subject to MPE study MPE Example Calculation: Desktop devices 108
Portable devices Operate less then 20cm from any user or bystander Usually involves body worn devices SAR Testing may be required 109
European Requirements Overview 110
European R&TTE Market Before R&TTE Directive: highly fragmented > 1000 national regulations, around 30 harmonised EU regulations fragmentation of spectrum After R&TTE Directive: less fragmented 111
R&TTE Covers the following aspects: Efficient use of spectrum (Article 3.2) EMC (Article 3.1b) Safety (Article 3.1a) 112
R&TTE Approval Process CE Marking by manufacturer Self-Declaration for many products Reduced approval procedures and processes Harmonized standards developed (Official Journal) 113
Annexes Annex I: Things NOT covered Cables, Receive-only broadcast, Kits, Aviation and Air Traffic, marine Annex II: Internal Production Control Basis for all Annexes (good documentation!) Annex III: Annex II + Testing Type testing Annex IV: TCF Notified Body (for new technologies) Annex V: Full QA Accredited Quality Assurance System 114
R&TTE Testing No longer requires involvement of accredited test house Test to harmonized standards DoC CE Marking Ship Non-harmonized frequencies: Notification to Spectrum Authority Alert Signal (Equipment Class Identifier) Restricted Geographical Area 115
Harmonized Frequencies (Short Range Devices) Document CEPT Lists frequencies and usage in different European countries Latest: Feb 2004 Published by: European Conference of Postal and Telecommunications Administrators Available at 116
Examples from CEPT 70-03 117
Example from CEPT 70-03 118
Notification Applies to radio equipment using a non- harmonized frequency If non-harmonized frequency band, the manufacturer must determine if the frequency is available for use in a particular member state Notify each member state where the equipment is to be sold 119
Notification Notify the Spectrum Authorities in each member state Available on-line Must be made 4 weeks prior to the equipment being offered for sale. 120
ETSI/EN Standards Available from (free!) EMC & Radio Matters ETS : Radio Equipment and Systems (RES); Wideband transmission systems; Technical characteristics and test conditions for data transmission equipment operating in the 2,4 GHz ISM band and using spread spectrum modulation techniques EN : Satellite Earth Stations and Systems (SES); Harmonized EN for Very Small Aperture Terminal (VSAT); Transmit-only, transmit/receive or receive- only satellite earth stations operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive 121
Example: Short Range Device Equipment Parameters: MHz Low power <2.5mW Modulation: FSK Duty Cycle: <1% Integral Antenna Battery Powered 122
Example: Short Range Device Markets of interest: UK France Italy Refer to CEPT for restrictions 123
Example: Short Range Device at 433MHz CEPT Restrictions 124
Example: Short Range Device Compliance test requirements LVD: EN EMC EN (SRD) Emissions Immunity Radio: EN Spurious emissions Power (ERP) Bandwidth Frequency Stability 125
Example: Short Range Device Documentation Equipment complies: Test report/TCF Generates and signs DOC Labels equipment Notifies countries before marketing (Only of frequencies are not harmonized) 126
R&TTE Labeling Example NAME OF A COMPANY MODEL NUMBER SERIAL NUMBER FREQUENCY BAND nnnn The Notified Body Number: used when either annex III, IV or V have been used 127
WLL Contact Information Phone: ; Fax: Lindbergh Dr., Gaithersburg, MD Greg Snyder: Chief EMC Engineer Steve Koster: EMC Operations Manager Berri Remenick: Manager, Product Safety, Frederick Lab Phone: ; Fax: Download ppt "Washington Laboratories (301) 417-0220 web: www.wll.com7560 Lindbergh Dr. Gaithersburg, MD 20879 FCC Requirements for Unlicensed Devices Washington Laboratories,"
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