sim908 simcom gsm/gprs gps module

General features

-Quad-Band 850/900/18001900MHz
-GPRS multi-slot class 10
-GPRS mobile station class B
-Compliant to GSM phase 2/2+
  -  Class 4 (2 W @ 850/900 MHz)

  - Class 1 (1 W @ 1800/1900MHz)

-Control via AT commands (GSM 07.07 ,07.05   and SIMCom enhanced AT Commands)
-SIM application toolkit
-Supply voltage range:
    -GPRS: 3.2 ~ 4.8 V

    -GPS: 3.0 ~ 4.5V

-Low power consumption
-Dimensions: 30*30*3.2mm
-Weight:
  - SIM908:5.2g

  - SIM908-C:11.1g

-Operation temperature:
  -40 °C to +85 °C

Specifications for SMS via GSM / GPRS

-Point-to-point MO and MT
-SMS cell broadcast
-Text and PDU mode
 

Specifications for audio

-Tricodec
  - Half rate (HR)

  - Full rate (FR)

  - Enhanced Full rate (EFR)

-Hands-free operation
-Echo cancellation
 
Specifications for data transfer

-GPRS class 8/10: max. 85.6 kbps (downlink)
-PBCCH support
-Coding schemes CS 1, 2, 3, 4
-CSD up to 14.4 kbps
-USSD
-Non transparent mode
-PPP-stack
-Integrated TCP/IP stack
 
Compatibility

-AT cellular command interface
 
Specification for GPS
-Receiver type
  - 42-channel

  - GPS L1 C/A code,

  - High-performance STE engine 

-Sensitivity
  - Tracking:               -160 dBm

  - Cold starts :           -143 dBm

-Time-To-First-Fix  
  - Cold starts:           30s (typ.) 

  - Hot starts:               1s (typ.)

-Accuracy
  -Horizontal position : <2.5m CEP

-Power consumption (GSM engine in idle mode)
  - Acquisition           77mA

  - Tracking               76mA

Interfaces                                                                                                                     

-80-pad with SMT type
-Interface to external SIM 3V/ 1.8V
-Dual analog audio interfaces
-SPI interface
-RTC backup
-Charge interface
-A serial interface and a debug interface for  GSM/GPRS
-Debug interface for GPS NMEA information output
-Two separate antenna connectors for GSM/GPRS&GPS
 

Certifications

-CE
-ROHS