SIM548C module is a compact Quad-Band GSM/GPRS-enabled module that is also equipped with GPS technology for satellite navigation. The compact design of the SIM548C 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.

Featuring an industry-standard interface and GPS function, the combination of both technologies allows valuable asset to be tracked seamlessly at any location and anytime with signal coverage.

General features
  Quad-Band GSM 850/900/1800/1900MHz
  GPRS multi-slot class 10
  GPRS mobile station class B
  Compliant to GSM phase 2/2+
     - Class 4(2W @ GSM850/900MHz)
     - Class 1(1W @ GSM1800/1900MHz)
  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 3.44.5 V
  Normal operation temperature: -30°C to +80°C
  Restricted operation temperature: -40°C to -30°C and +80°C to +85°C
  Storage temperature: -45°C to +90°C
  Dimension: 50mm x 33mm x 8.8mm

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

Interfaces
  60-pin DIP connector
  Interface to external SIM 3V or 1.8V
  Dual analog audio interface
  AT commands via serial interface
  Embedded SIM card holder
  LCD Interface
  RTC Backup
  Charge interface
  Serial interface and Debug interface
  Dual serial interfaces for GPS
  Two separate antenna connectors for GSM/GPRS & GPS and two antenna pads for GSM/GPRS & GPS