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GSM/GPRS Module SIM900A

Dimensions: 24* 24 * 3 mm
Main Feature:This module has not production, alternative models for SIM800A


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  • Introduce
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SIMCom presents an ultra compact and reliable wireless module. The SIM900Ais a complete Dual-bandGSM/GPRS module in a SMT type which is designed specially for Chinese mainland market, allowing you to benefit from small dimensions and cost-effective solutions.

Featuring an industry-standard interface, the SIM900A delivers GSM/GPRS 900/1800MHz 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 x 3 mm, SIM900A can fit almost all the space requirements in your M2M applications, especially for slim and compact demand of design.

General features

Dual-Band 900/ 1800 MHz

GPRS multi-slot class 10/8

GPRS mobile station class B

Compliant to GSM phase 2/2+

Class 4 (2 W @900 MHz)

Class 1 (1 W @ 1800MHz)

.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°C to +85 °C

 

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

CSD up to 14.4 kbps

USSD

Non transparent mode

 

Specifications for SMS via GSM/GPRS

Point to point MO and MT

SMS cell broadcast

Text and PDU mode

 

Software features

0710 MUX protocol

embedded TCP/UDP protocol

FTP/HTTP

 

Customized features

FOTA

MMS

Embedded AT

 

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

Two Serial interfaces

Antenna pad

I2C

GPIO

PWM

ADC

 

Compatibility

AT cellular command interface

 

Certifications:

ROHS

TA

REACH

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