GPS Data Logger

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HI-204III Cable GPS Receiver

GPS Receiver
  • Latest SirfStarIII Chipset
  • Fast Acquisition
  • 20 Channels
  • "All-In-View" Tracking
  • Ultra High Sensitivity (-159dBm) GPS Receiver

The HI-204III is a GPS receiver with PS/2 mini-DIN interface and built-in active antenna for high sensitivity to tracking signals. The HI-204III is well suited to system integration and users who use any kinds of mobile devices, such as a Data Logger, notebook PC, Tablet PC, etc. It satisfies a wide variety of applications for car navigation, personal navigation or touring devices, tracking and marine navigation purpose. Users can simply plug it into a PC running suitable mapping and routing software for navigation.

The HI-204III GPS receiver continuously tracks all satellites in view and provides accurate satellite positioning data. The HI-204III is optimized for applications requiring good performance, low cost, and maximum flexibility.

The 20 parallel channels and 4000 search bins provide fast satellite signal acquisition and short startup time. Tracking sensitivity of -159dBm offers good navigation performance even in tree cover and urban canyons having limited sky view. Satellite-based augmentation systems, such as WAAS and EGNOS, are supported to yield improved accuracy.

RS232-level serial interface is provided on the interface connector. Supply voltage of 3.8V to 8Vdc is supported.


  • 20 parallel channel GPS receiver
  • 4000 simultaneous time-frequency search bins
  • SBAS (WAAS, EGNOS) support
  • -159dBm tracking sensitivity
  • < 8 second hot start
  • < 42 second cold start

Standard Package:

The standard package includes the following items:

  • HI-204III GPS Receiver unit
  • Suction Cup for cable management
  • CD with User Manual and Utilities
  • Printed User Manual
  • PS/2 to DB9 Adapter cable

Optional Accessories:

  • PS/2 to USB adapter cable
  • Datalogger power/data cable
Receiver Cabling

Receiver Specifications:

Item Description
General: Chipset SiRF StarIII
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20
Sensitivity -159dBm
Accuracy: Position 10 metres, 2D RMS
5 metres 2D RMS, WAAS corrected
< 5 metres (50%), DGPS corrected
Velocity 0.1 metres/second
Time 1 microsecond synchronized to GPS time
Datum: Default WGS-84
Other Selectable for other Datum
Acquisition Rate
(Open Sky &
Stationary Requirements):
Reacquisition 0.1 sec., average
Snap start 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 4g, max.
Jerk 20 metres/second3, max.
Power: Supply Voltage 5Vdc nominal
Supply Voltage Range 3.8Vdc to 8Vdc
Supply Current 75mA
Backup Power 3V Lithium-Ion rechargeable battery
Indicators: LED On Signal Searching
LED Flashing Position Fixed
Interfaces: Serial RS-232
Protocol: NMEA-0183 v3.01 @ 4800 baud, 8-N-1
Dimensions: 43mm L x 42mm W x 13mm H
Weight: 85g