產(chǎn)品品牌：Simcom

產(chǎn)品型號：SIM908

信息傳送內(nèi)容：都可以

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 CSpecifications for SMS via GSM / GPRS

Point-to-point MO and MT

SMS cell broadcast

Text and PDU modeSpecifications for audio

Tricodec-Half rate (HR)-Full rate (FR)-Enhanced Full rate (EFR)

Hands-free operation

Echo cancellationSpecifications 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 stackCompatibility

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 76mAInterfaces

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 GPSCertifications

CE

ROHS