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Quick Details

  • Type: Gps Tracker
  • Use: Automotive
  • Screen Size: GSM/GPRS+GPSmodule
  • Function: Other
  • Place of Origin: China (Mainland)
  • Brand Name: SIMCOM
  • Model Number: SIM908
  • GSM GPRS +GPS module: GPS module

Packaging & Delivery

Packaging Details: packed by antistatic tray and carton box
Delivery Detail: in stock

GSM/GPRS+GPS SIM908 modules



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 application.
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 feature:


•Quad-Band 850/900/1800/1900MHz
•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
- 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

- 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
•Non transparent mode
•Integrated TCP/IP stack


•AT cellular command interface

Specification for GPS

•Receiver type
- 42-channel

- GPS L1 C/A code,

- High-performance STE engine


- Tracking: -160 dBm

- Cold starts : -143 dBm


- Cold starts: 30s (typ.)

- Hot starts: 1s (typ.)


-Horizontal position : <2.5m CEP


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

- Tracking 76mA




•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



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China (Mainland)
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3 Transactions 40,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $44,000
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