供应四频GSM/GPRS模块SIM900

the SIM900 delivers GSM/GPRS 850/900/1800/1900MHz performance for voice,SMS, Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 24mm x 24mm x3 mm, SIM900 can fit almost all the space requirements in your M2M applications, especially for slim and compact demands of design.

General features

Quad-Band 850/ 900/ 1800/ 1900 MHz

GPRS multi-slot class 10/8

GPRS mobile station class B

Compliant to GSM phase 2/2+

– Class 4 (2 W @850/ 900 MHz)

– Class 1 (1 W @ 1800/1900MHz)

SAIC (Single Antenna Interference Cancellation)

support

Dimensions: 24* 24 * 3 mm

Weight: 3.4g

Control via AT commands (GSM 07.07 ,07.05 and

SIMCOM enhanced AT Commands)

SIM application toolkit

Supply voltage range : 3.2 ... 4.8V

Low power consumption: 1.0mA(sleep mode&BS-PA-

MFRMS=9 )

Operation temperature: -40 to +85

Specifications for Fax

Group 3, class 1

Specifications for GPRS Data

GPRS class 10: max. 85.6 kbps (downlink)

PBCCH support

Coding schemes CS 1, 2, 3, 4

PPP-stack

Specifications for CSD Data

USSD

Non transparent mode

Specifications for SMS via GSM/GPRS

Point to point MO/MT

SMS cell broadcast

Text and PDU mode

Software features

0710 MUX protocol

Embedded TCP/UDP protocol

FTP/HTTP

Special firmware

Embedded AT

Java (cooperate with Iasolution)

FOTA

MMS

Specifications for Voice

Tricodec

– Half rate (HR)

– Full rate (FR)

– Enhanced Full rate (EFR)

AMR

- Half rate (HR)

- Full rate (FR)

Hands-free operation

（Echo suppression）

Interfaces

Interface to external SIM 3V/ 1.8V

Analog audio interface

RTC backup

SPI interface (option)

Serial interface

Antenna pad

I2C

GPIO

PWM

ADC

Compatibility

AT cellular command interface

Certifications:

CE

FCC

ROHS

PTCRB

GCF

IC

ICASA

REACH

Carrier Approvals:

NCC

Anatel

Rogers

Orange

AT&T

Vodafone