SIMCom SIM908 is a highly efficient and versatile GSM/GPRS/GPS module that offers a wide range of wireless connectivity options. It supports quad-band frequencies (850/900/1800/1900 MHz) for seamless communication across major wireless bands. This module adheres to various network standards, including GSM, GPRS, GPS, and TCP/IP, enabling reliable and efficient data transmission.
Key features of SIMCom SIM908 include:
1. GSM/GPRS Connectivity: SIM908 supports global GSM and GPRS networks, ensuring reliable voice and data communication across various regions.
2. GPS Functionality: With built-in GPS capabilities, this module enables accurate positioning and navigation, making it ideal for location-based applications.
3. Compact Design: SIM908 comes in a compact form factor, making it easy to integrate into various devices and systems where space is limited.
4. Extended Temperature Range: This module operates in a wide temperature range, allowing it to function reliably in extreme environmental conditions.
5. Multiple Interfaces: SIM908 features multiple interfaces such as UART, USB, and SPI, providing flexible connectivity options for seamless integration with different devices and systems.
Overall, SIMCom SIM908 offers a comprehensive solution for wireless communication and GPS functionality, making it suitable for various applications like vehicle tracking, telematics, IoT, and more.
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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: 5.2g
- Operation temperature:
-40 °C to +85 °C
Specification for SMS via GSM / GPRS
- Point-to-point MO and MT
- SMS cell broadcast
- Text and PDU mode
Specification for audio
- Tricodec
-Half rate (HR)
-Full rate (FR)
-Enhanced Full rate (EFR)
- Hands-free operation
- Echo cancellation
Specification 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
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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 U.FL antenna connectors for GSM/GPRS&GPS
Certifications
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