GPS Data Logger

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MR-350 Permanent Mount GPS Receiver

GPS Receiver

The MR-350 GPS Receiver can be utilised in a variety of applications that require a permanent mounting configuration. With bulkhead (through-hole) mounting and a low-profile housing, the MR-350 is self-contained and waterproof. It incorporates the latest SiRF StarIII GPS chipset and an active patch antenna so you receive a high degree of GPS accuracy.

Typical applications can include marine environments, aviation, commercial use such as fire truck, police cars and utility vehicles and buses. The extended 4.5 metre cable allows for easy routing to your PC behind headliners and side panels and terminates to a custom PS/2 connector for interfacing with the supplied RS232 adapter or one of the available cable kits that can be purchased separately.


  • SiRF starIII High Performance GPS chipset
  • High sensitivity (Tracking Sensitivity: -159 dBm)
  • Extremely fast TTFF (Time To First Fix) at low signal level
  • Supports NMEA-0183 data protocol
  • Built-in SuperCap to reserve system data for rapid satellite acquisition
  • Built-in patch antenna
  • RS232 interface or USB interface with appropriate cable kit
  • Waterproof
  • For Marine Navigation, Car Navigation, Fleet Management, and many other applications

Receiver Specifications:

Item Description
General: Chipset SiRF StarIII
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20 channel all-in-view tracking
Sensitivity -159 dBm
Accuracy: Position 10 meters, 2D RMS
Velocity 0.1 metres/second
Time 1us synchronized to GPS time
Datum: Default WGS-84
Acquisition Rate
(Open Sky &
Stationary Requirements):
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 metres (60,000 feet) max.
Velocity 515 metres/second (1000 knots) max.
Acceleration Less than 4g
Jerk 20 metres/second3, max.
Power: Supply Voltage Range 4.5V to 6.5Vdc
Supply Current 80mA
Interfaces: Serial RS-232
Cable length: 4.5 metres (15 feet)
Protocol: NMEA-0183 @ 4800 baud, 8-N-1
Dimensions: 62mm diameter, 21mm high
Operating Temperature: -40 to +85 degrees C