CMR Projects (Pty) Ltd.

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.

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.

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