Perfect GSM+GPRS/GPS module SIM548

Specifications

GSM GPRS GPS module
Quad-band
Control via AT commands
Low power consumption
high quality with low price

General features

- Quad-Band GSM 850/900/1800/1900 MHz
- GPRS multi-slot class 10/8
- 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: 3.4V ~ 4.5V
- 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
- Weight: 12g
- Dimension: 55mm x 34mm x 3mm

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