buy simcom sim908 develop kit gift gsm gps attenna
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SIM908 GSM+GPRS+GPS combo module have in stock
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SIM900 SIM900A SIM900B
QUECTEL M10 M12 M62 L10 L30
SIEMENS MC38I MC55I
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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