Original SIMCOM GPS GPRS GSM Module SIM808 SIM868 SIM800A SIM800C SIM900 SIM908

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 : <;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

We are a highly experienced telecommunications network support provider, specialising in the supply and ongoing support of legacy equipment with warehouses located in the China,HongKong and UK stocking over 100,000 items.

Our management team have over 20 years combined experience within the carrier telecoms industry that has helped to develop and refine each of our core services: spare part supply, repair and refurbishment, asset management and network support.

By partnering with carriers and end-users to acquire, redeploy, resell and recycle their telecommunication assets, we offer services that not only extend the life of existing telecommunication networks, but generate maximum revenue, reduce expenses and help organisations meet their environmental goals.

Our clients range from large-scale multinational organisations and fixed and mobile operators, to leading equipment manufacturers and various other channel partners that are located all around the world.