SIM548 GSM/GPRS+GPS Module

SIM548 module is a Quad-Band GSM/GPRS-enabled module that is also equipped with GPS technology for satellite navigation. The compact design of the SIM548 makes it easy to integrate GSM/GPRS & GPS as an all-in-one solution. You will save significantly both time and cost for the integration of additional hardware components

The combination of both technologies can fit almost all the space requirement in your application, such as PDA phone, GPS hand-held device and other mobile device, it allows vehicles and people to be tracked seamlessly at any location and anytime

GSM/GPRS specifications

Quad-Band 850/900/1800/1900MHz

GPRS multi-slot class 10/8

GPRS mobile station class B

Compliant to GSM phase 2/2+ -Class 4(2W

GSM850/GSM900MHz) -Class 1(1W

GSM1800/GSM1900MHz)

Control via AT commands (GSM 07. 07 and 07. 05 and SIMCOM enhanced AT commands)

SIM application tool kit

Low power consumption? Supply voltage range: 3. 4V... 4. 5V Specifications for GPS

Receiver 20 channels, L1 1575. 42MHz, C/A code 1, 023MHz Chip rate

Accuracy Position 10m CEP, Without SA/Velocity 0. 1m/s, Without SA/Time 1μs synchronized to GPS time

DGPS accuracy 1 to 5m, typical, 0. 05m/s, typical

Date WGS-84

Acquisition rate (TTFF defined at 95% of first position local station) Hot start < 1s, average, open sky Warm start < 38s, average, open sky Cold start < 42s, average, open sky

Operating voltage 3. 3V DC ±5%

Low power consumption about 200mW at 3. 3V

Protocols NMEA-0183 SiRF binary RTCM SC-104

Crystal oscillator (TCXO), temperature compensated with frequency stability Of ±0. 5ppm

Memory: On-chip 4Mbit FLASH and 1Mbit SRAM