. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/MEX/169 
21 April 2009  
 (09-1880) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:  MEXICO
 
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible:   Comisión Federal de Telecomunicaciones  (Federal 
Telecommunications Commission) 
Name and address (including telephone and fax numbers and e-mail and website 
addresses, if available) of  agency or authority designated to handle comments 
regarding the notification shall be  indicated if different from above: 
Secretaría Técnica del Comité 
Avenida de las Telecomunicaciones sin número Edificio de Ingeniería y Tecnología de la Comisión Federal de Telecomunicaciones 
(COFETEL), segundo piso ala norte 
Colonia Leyes de Reforma, 2a. sección, Delegación Iztapalapa 
C.P. 09310, México, Distrito Federal Tel.: 5015-4430/4431/4453 or 4500 E-mail: rtopete@cft.gob.mx
 or allopez@cft.gob.mx  
Website: http://www.cofetel.gob.mx.  
3. Notified under Article 2.9.2 [ X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading.
ICS numbers may be provided in addition, where applicable):   This draft standard 
establishes minimum specifications and limits for spread spectrum radiocommunications 
equipment (of the frequency hopping, digital m odulation and hybrid variety) operating in 
certain frequency bands.  The purpose of the stan dard is to ensure that the use of such 
equipment does not cause interference that may be harmful to other authorized equipment 
or to authorized telecommunications networks and services. 
5. Title, number of pages and lang uage(s) of the notified document:  
PROY-NOM-121-SCT1-2008, Telecomunicacion es - Radiocomunicación - Sistemas de 
radiocomunicación que emplean la técnica de espectro disperse - Equipos de radiocomunicación por salto de frecuencia y por modulación digital a operar en las bandas 902-928 MHz, 2400-2483,5 MHz y 5725-5 850 MHz - Especificaciones, límites y 
métodos de prueba (Draft Mexican Official Standard PROY-NOM-121-SCT1-2008, 
Telecommunications - Radiocommunications - Spread spectrum radiocommunications 
systems - Frequency hopping and digital m odulation radiocommunications equipment 
operating in the bands 902-928 MHz, 2400-2483.5 MHz and 5725-5850 MHz - Specifications, limits and testing methods) (50 pages, in Spanish). G/TBT/N/MEX/169 
Page 2  
 
  6. Description of content:   This Mexican Official Standard and the specifications set forth 
therein apply to spread spectrum radioc ommunications equipment of the frequency 
hopping, digital modulation and hybrid variety.  The testing methods used to ensure that these specifications are met are set forth in Chapter 5 of the standard. 
7. Objective and rationale, including the nature of urgent problems where applicable:   - 
8. Relevant documents:   Diario Oficial de la Federación  (Official Journal) of 
25 February 2009.  Available at:  http://www.dof.gob.mx  
9. Proposed date of adoption: 
Proposed date of entry into force: }The standard will enter into force 60 calendar days after publication in the Official Journal. 
10. Final date for comments:   26 April 2009 
11. Texts available from:  National enquiry point [ X] or address, telephone and fax 
numbers, e-mail and website addresses,  if available, of other body:  
Dirección General de Normas de la Secretaría de Economía 
(General Directorate of Standards of the Ministry of the Economy) 
Tel.: (+52) 55 5729 9300, Ext. 43217 Fax: (+52) 55 5520 9715 
Website: http://www.economia-noms.gob.mx/
 
E-mail: normasomc@economia.gob.mx  
Also available:  here