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Russia Requires WiFi Registration
While WiFi wasn’t as broadly unlicensed in Russia as it is in most other industrialized nations, your can not find wifi antenna anywhere a state regulator exempted indoor use in certain bands from registration. The Mass Media agency apparently believes that it has the authority to compel this, although there’s some doubt by observers as to whether it really falls in their purview.
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GPS Engine Board


Sirf starIII Smart GPS Receiver with Excellent Signal Amplification for Mobile Applications

EB648 The GPS module is a powerful, high-performance GPS module that is designed for a wide range of OEM applications, from vehicular/marine navigation to tracking and more. The low power consuming and high reliability characteristics of this module make it a worthy investment for every application. By employing the SiRFstarIII chipset, users will enjoy unsurpassed positioning accuracy and performance.


  • High sensitive GPS receiver and GPS antenna
  • High Sensitivity -159 dBm
  • Excellent start-up times and position accuracy
  • Power Supply 3.3V~5V +- 5%
  • Interface RS232
  • Car Navigation.
  • Fleet Management.
  • Mileage Management.
  • Tracking devices/system.
  • Mapping devices for PC & Pocket PC.
  • Personal Navigation or touring devices.
  • AVL and Location-Based service system.
  • Data logging for marine Navigation.
Acquisition at low signal levels
Cold 42 sec.(typical)
warm 38 sec.(typical)
Hot start 3 sec.(typical)
Tracking sensitivity -159dBm (at the receiver input)
Re-acquisition Time 3sec. typical (within 5sec. Block out)
5sec typical (within 60sec block out)
Position Accuracy
Accuracy (SA off) Position <10meters ,2D RMS.
Receiver type L1 frequency , C/A Code, 20-channel
Max. Update rate 1HZ
Operational Limit Altitude < 18,000m(60,000ft) 
Operational Limit Velocity < 515m/s(1,000knots)
Protocol Support NMEA-0183
Activated message GLL, GGA, RMC, VTG, GSV, GSA all with checksum enabled SiRF Binary
Datum SiRF Binary, AI3/F ,WGS-84(default), selectable for other Datum
Operating Humidity 5% to 95%, No Condensing
Dimension 32mm x 32mm x 9mm
Operating supply 3.3V~5V DC.
Supply current ±80mA (TYP.)
Storage temperature -55°C~100°C
Operating temperature -40°C~+85°C

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