EM408 GPS Module

Product Code : 000044

Out of stock
Excl. Tax: £44.17 Incl. Tax: £53.00

EM408 GPS Module

This SIRF Star III GPS Engine from US Global Sat is a only a little bigger than a 50 pence piece, but out-performs many of its bigger and more expensive competitors.

It has a built in patch antenna, and a battery on-board, to allow quick satellite fix. The device uses an amazing 20 channels, each with a stunning tracking sensitivity of -159dBm, enough to get a satellite lock in difficult urban canyon situations, or even inside some buildings. A very simple lead provides serial TX and RX in Sirf binary or NMEA format. This module is truly fantastic, given its size, features, performance and price.

The GlobalSat EM408 has all the advantages present in the EM406. In addition is also has a gold MMCX connector so that an external antenna can be used if need be.

General - Receiver

  • Chipset: SiRF Star III
  • Frequency: L1, 1575.42 MHz
  • C/A Code: 1.023 MHz chip rate
  • Channels: 20 channel all-in-view tracking
  • Sensitivity: -159dBm

Accuracy

  • Position: 10 meters, 2D RMS
  • 5 meters, 2D RMS, WAAS enabled
  • Velocity: 0.1 ms
  • Time: 1μs synchronized to GPS time

Datum

  • Default: WGS-84
  • Acquisition Time
  • Reacquisition: 0.1 sec., average
  • Hot Start: 8 sec., average
  • Warm Start: 38 sec., average
  • Cold Start: 42 sec., average

Dynamic Conditions

  • Altitude: 18,000 meters (60,000 feet) max
  • Velocity: 515 meters/second (1000 knots) max
  • Acceleration: Less than 4g
  • Jerk: 20m/sec **3

Power

  • Main Power Input: 3.3VDC Input
  • Power Consumption: 75mA (continous mode)

Protocol

  • Electrical Level: TTL level,
  • Output Voltage Level: 0V~2.85V
  • Baud Rate: 4800 bps ~ 57,600bps (adjustible)
  • Output Message: NMEA 0183 GGA, GSA, GSV, RMC (VTG, GLL optional)

Physical Characteristics

  • Dimensions: 1.43

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