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sim908 开发板带所有配件，GSM GPS 天线
测试及应用SIM908的好帮手，如需要，请前来购买
 Hurryup simcom module hot selling !
SIM908 GSM+GPRS+GPS combo module have in stock
Please send your enquiry to us !

SIM900 SIM900A SIM900B
QUECTEL M10 M12 M62 L10 L30
SIEMENS MC38I MC55I
We also supply all kinds of module gsm gps attennas, module connector,
Modem based on gsm gprs module, please contact with us freely !

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