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walkie talkie

Background

Walkie-Talkie is a two-way radio transceiver, just press the PTT (Push to Talk) button, you can speak to one people or a group of people in the case of no network support and no fee charged. It is suitable for the occasion of relatively fixed and frequently calling.

SGS services

SGS is the world’s leading inspection, verification, testing and certification company, dedicated to provide perfect, accurate and prompt certification service to customers. SGS EMC laboratory has experienced technical team and advanced testing equipment, can provide walkie-talkie products one-stop test certification services.

 

The specific requirements of the walkie-talkie CE-RED are as follows:

  • Walkie-Talkie Frequency Band
Band Frequency Low Band High Band
VHF 136-174MHz 136-160MHz 148-174MHz
UHF 400-470MHz 400-430MHz 450-470MHz
                                                                       
  • Walkie-Talkie Modulation Types
  1. Analog Modulation /FM (25KHz, 12.5KHz);
  2. Digital Modulation /4FSK (12.5KHz, 6.25KHz);
  3. DPMR: Digital Private Mobile Radio
  4. DMR: Digital Mobile Radio
  5. TETRA: Terrestrial Trunked Radio
 
  • Walkie-Talkie RF and EMC Standard
Standard  Applicable Condition(s) 
EN 300 296 V2.1.1  Land Mobile Service; Radio equipment using integral antennas intended primarily for analogue speech; 
EN 300 086 V2.1.2  Land Mobile Service; Radio equipment with an internal or external RF connector intended primarily for analogue speech; 
EN 300 113 V2.2.1  Land Mobile Service; Radio equipment intended for the transmission of data (and/or speech) using constant or non-constant envelope modulation and having an antenna connector; 
EN 300 390 V2.1.1  Land Mobile Service; Radio equipment intended for the transmission of data (and speech) and using an integral antenna; 
EN 300 394-1 V3.3.1  Terrestrial Trunked Radio (TETRA); Conformance testing specification; 
EN 300 433 V2.1.1  Citizens' Band (CB) radio equipment; 
EN 300 220-2 V3.2.1  Short Range Devices (SRD) operating in the frequency range 25 MHz to 1000 MHz(for toys); 
EN 301 489-5 V2.1.1  Specific conditions for Private land Mobile Radio (PMR) and ancillary equipment (speech and non-speech) and Terrestrial Trunked Radio (TETRA); 
EN 301 843-1 V2.2.1  Electro Magnetic Compatibility (EMC) standard for marine radio equipment and services; 
EN 300 698 V2.2.1  Radio telephone transmitters and receivers for the maritime mobile service operating in the VHF bands used on inland waterways; 
EN 301 025 V2.2.1  VHF radiotelephone equipment for general communications and associated equipment for Class "D“ Digital Selective Calling (DSC); 
EN 301 166 V2.1.1  Land Mobile Service; Radio equipment for analogue and/or digital communication (speech and/or data) and operating on narrow band channels and having an antenna connector;(less than 10KHz); 
                                                   
  • Walkie-Talkie RF Exposure Standard
Standard  Applicable Condition(s) 
EN 62311:2008  Assessment of electronic and electrical equipment related to human exposure restrictions for electromagnetic fields (0Hz -300 GHz); 
EN 62209-2:2010  Human exposure to radio frequency fields from hand-held and body mounted wireless communication devices---Human models, instrumentation, and procedures;
Part 2: procedure to determine the specific absorption rate(SAR) for wireless communication devices used in close proximity to the human body (Frequency range of 30MHz-6GHz); 
EN 50385:2017  Product standard to demonstrate the compliance of base station equipment with radiofrequency electromagnetic field exposure limits(110MHz-100GHz), when placed on the market; 
               

 

Independent and innovative, our Electrical & Electronics experts use state-of-the-art facilities and technology to deliver tailor made, value-added services that help improve your business.  Our expertise in compliance management will help you make the right choices for different national markets, while carrying out the necessary testing and certification quickly and professionally. 

For more information, please contact our Customer Service Team! 

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