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GlobalSat MR-350P-S4 Serial Bulkhead GPS Receiver

The MR-350PS4 uses a propriatary pin-out on the PS2, which cannot be connected directly to any laptop or PC without the use of a cable set (USB or RS232 + PS2 for power)

Permanent Mount GPS Solution

The MR-350 S4 includes an embedded receiver and an antenna. This receiver up to 48 tracking verification channels while providing fast time-to-first-fix, precise position updates, low power consumption, and adds the capability of Wide Area Augmentation System (WASS). The MR-350 S4 design uses the latest technology and high-level circuit integration to achieve superior performance while minimizing space and power requirements. All critical components of the system include the RF/IF receiver hardware and the digital baseband are designed and manufactured by GlobalSat to ensure the quality and capability of the GPS.

The MR-350 S4 can be utilized 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 completely self-contained and waterproof. Typical application can include marine environments, aviation, commercial use such as fire truck, police cars and utility vehicles and buses. The extended 4.5 meters cable allows for easy routing to your equipment behind, headliners and side panels and terminates to a custom PS/2 connector.

GlobalSat's very popular Serial GPS Receiver, the MR-350P-S4, is compatible with Windows 10 & 8 through the use of the new USB Cable Set (Part Number: 11-BR305-USB8). 

As for the other optional cable set, RS232 Cable Set, the device would be able to work with any Windows OS, as long as the computer has a serial port.

Product Features

  • SiRF Star IV high performance GPS Chipset
  • Very high sensitivity (Tracking Sensitivity: chipset -163dBm )
  • Extremely fast TTFF (Time To First Fix) at low signal level
  • Support NMEA 0183 V3.0 (GGA, GSA, GSV, RMC)
  • Build in Super Cap to reserve system data for rapid satellite acquisition
  • Build in patch antenna
  • Support RS-232(baud rate 4800) interface
  • Support Wide Area Augmentation System(WASS)
  • Waterproof IPX7

Product Specification

  • General
    Chipset: Sirf StarIV
    Frequency: L1, 1575.42MHz
    CA Code: 1.023 MHz
    Channels: 48 track verification channels
    Sensitivity: -163 dBm
  • Accuracy
    H-Position Autonomous: <2.5m
    Speed: <0.01m/s
    Heading: <0.01° 
  • Datum
    Default: WGS-84
  • Acquisition Time
    Reacquisition: 0.1 sec., average
    Hot start: 1 sec., average
    Warm start: 35 sec., average
    Cold start: 35 sec., average 
  • Dynamic Conditions
    Altitude: 18,000 meters (60,000 feet) max
    Velocit: 515 meters / second (1000 knots) max
    Acceleration: Less than 4g 
  • Electrical Characteristics
    Main power input: 4.5V ~ 6.5V DC input
    Power consumption: 80mA
    Operating temperature: -40°C to +85°C
  • Protocol
    Baud rate: 4800 bps
    Output message: GGA, GSA, GSV, RMC 
  • Physical Characteristics
    Dimension: 62mm diameter, 21mm height
    Cable length: 4.5 meters

globalsat mr-350p=s4
MR-350PS4 in Gray

Package includes:
• MR-350PS4 Serial GPS Receiver
• CD-ROM (User Manual & GPS Info Test Utility)


gloabalsat mr 350p
MR-350PS4 in White


globalsat mr 350p s4





GlobalSat MR-350PS4 Serial Bulkhead GPS Receiver in Grey

GlobalSat MR-350PS4 Serial Bulkhead GPS Receiver in White

BR-305 cable kit for PC w/USB port now compatible with Windows 8 & 10

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