SIM908C

• 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: 50*33*4.5 mm
• Weight:
- SIM908:5.2g
- SIM908-C:11.1g
• Operation temperature: -40 °C to +85 °C

SMS via GSM / GPRS
• Point-to-point MO and MT
• SMS cell broadcast
• Text and PDU mode

 Audio
• Tricodec
-  Half rate (HR)
-  Full rate (FR)
-  Enhanced Full rate (EFR)
• Hands-free operation
• Echo cancellation

 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 

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