GPS Systems

Do you want that vital telemetry information to be sent with a physical latitude and longitude and other positional data? We can integrate the SIMCOM SIM548C or uBlox-5 module into your product.

SIMCOM GSM/GPRS/GPS combo module - ZAR645.00

Developing your own GPS based system with GSM/GPRS is easier with the SIMCOM SIM548C combo module.

This module is very competitvely priced and contains both a GSM/GPRS and GPS systems on one module.

SIM548C

A development kit, SIM548C-EVB, is available for those developers wishing to take advantage of this excellent product. The kit is complete with PSU, RS-232 cables, on-board SIM socket, GSM and GPS antennas, on-board VCHG for external battery, full break-out of all signals - both GSM and GPS. Plug-and-Play using HyperTerminal or any other communications program.

 

SIMCOM GSM/GPRS/GPS EVB kit - ZAR595.00 (excludes SIM548C module)

Developing your own GPS based system with GSM/GPRS is easier with the SIMCOM SIM548C EVB kit.

Kit includes 1 x GSM antenna, 1 x GPS antenna, PSU, RS232 cable, and excludes the SIM548C GSM/GPS module.

SIM548C-EVB

Specifications for GPS
  • Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023 MHz chip rate
  • Accuracy Position 2.5 m CEP
     –without SA/Velocity 0.1 m/s,
     –without SA/Time 1 μs synchronized to GPS time
  • Position with DGPS/SBAS: 2.0 CEP
  • Date WGS-84
  • Acquisition rate (TTFF defined at 95% of first position local station)
     – Hot start < 1 s, average, open sky
     – Warm start: 35 s, average, open sky
     – Cold start: 35 s, average, open sky
  • Support AGPS
  • Operating voltage 3.3 V DC ±5%
  • Low power consumption 160mW at 3.3 V (full power)
  • Protocols
     – NMEA-0183
     – SiRF binary
     – RTCM SC-104
  • Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5 ppm
  • Memory 4 Mb flash and 1Mb SRAM

See the complete SIMCOM module range here

 

GTop GMM-U1 GPS module - ZAR179.00

uBlox-5 GTop GMM-U1 module

Widely used internationally by dedicated GPS manufacturers the GTOP GPS module and provides all the necessary NEMA outputs required for:

  • Latitude and Longitude
  • Speed across ground
  • Direction of travel
  • Altitude (ASL)
  • Real Time Clock - UTC, accurate to within 1-second in 30,000 years !
  • 9600 baud rate (default)
  • 13mm x 10mm x 2.1mm
  • Tracking -165dBM
  • 2.1mm thickness
  • Hotstart 1-second, warmstart 33-seconds, coldstart 35-seconds
  • 66-channels
  • 3v3 - 5v5 operation, back-up 2v0 - 4v0
  • 48mA aquisition, 37mA tracking

Datasheet here (213KB PDF)

 

GTop GMS-D1 GPS module with built-in Pulse SMD antenna - ZAR245.00

uBlox-5GTop GDSD1 module

As above but has the additional features:

  • 24mm x 14mm x 2.1mm
  • Built-in Pulse chip antenna (not a ceramic patch)

Datasheet here (582KB PDF)

GTop GMM-U1 GPS module evaluation kit - ZAR975.00

GTOP-GMM-EVB GTop GMM-U1 EVB Kit

Complete plug and play USB development kit for the GTop GMM-U1 miniature 66 channel GPS module

Includes USB cable and GPS antenna

 

GTop GMS-D1 GPS module evaluation kit - ZAR975.00

GTOP-GMS-EVB GTop GDS-D1 EVB Kit

Complete plug and play USB development kit for the GTop GMS-D1 miniature 66 channel GPS module with intergrated chip antenna

Includes USB cable

 

 

 

 

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