20 Channel EM-406A SiRF III GPS Receiver with Antenna

Excl. VAT: £40.00 Incl. VAT: £48.00

Availability: Pre Order

Excl. VAT: £40.00 Incl. VAT: £48.00
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Globalsat EM-406 SiRF III GPS module

The EM-406A GPS module from USGlobalSat based on the spectacular SiRF StarIII chipset. This complete module is built upon the same technology as the ET-301, but includes on-board voltage regulation, LED status indicator, battery backed RAM, and a built-in patch antenna! 6-pin interface cable included.
This EM-406A GPS unit in a great choice when using the UBD4 UAV Development Board
Note: The cables that are supplied with the EM-406A GPS have a gray wire on alternating sides of the connector. Check the datasheet for correct pinout, don't pay attention to the gray wire, reference the pinout of the actual module to that of the data sheet.

  • 20-Channel Receiver
  • Extremely high sensitivity : -159dBm
  • 10m Positional Accuracy / 5m with WAAS
  • Hot Start : 1s
  • Warm Start : 38s
  • Cold Start : 42s
  • 70mA at 4.5-6.5V
  • Outputs NMEA 0183 and SiRF binary protocol


  • 30mm x 30mm x 10.5mm
  • 16g including cable


  • EM-406A Datasheet
  • NMEA Reference Manual
  • SparkFun GPS Overview
  • GPS Tutorial by Michael Simpson
  • SiRF Demo Software
  • Wiring Example
  • mbed Example

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