GSM/GPRS+GPS - SIM908

SIM908 module is a complete Quad-Band  GSM/GPRS module which combines GPS technology for satellite navigation. The compact design which integrated GPRS and GPS in a SMT package will  significantly save both time and costs  for customers to develop GPS enabled applications. 
Featuring an industry-standard interface and GPS function, it allows variable assets to be tracked seamlessly at any location and anytime with signal coverage.

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 : 
• 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