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SIM900B Module

SIM900B

SIM900B GSM/GPRS Module

SIM900B Introduction

SIMCom presents a compact and reliable wireless module-SIM900B which is compatible with the module-SIM300/340 and SIM340E. This is a complete Quad-band GSM/GPRS module in a B2B type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.

Featuring an industry-standard interface, the SIM900B delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. SIM900B can fit almost all requirements in your M2M applications.

SIM900B Details

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)

* Dimensions: 40*33*3 mm

* Weight: 7g

* 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)

* Operation temperature: -40 °C to +85 °C

Specifications for Fax

* Group 3, class 1

Interfaces

* 60 PIN Board-to-board connector

* Interface to external SIM 3V/ 1.8V

* Two analog audio interface

* RTC backup

* SPI interface

* Serial interface

* SIM Card

- Option1: SIM holder

- Option2: Embeded SIM

* Keypad

* GPIO

* PWM

* ADC

* Antenna connector

Software features

* 0710 MUX protocol

* embedded TCP/UDP protocol

* FTP/HTTP

Specifications for SMS via GSM/GPRS

* Point to point MO and MT

* SMS cell broadcast

* Text and PDU mode

Specifications for Data

* GPRS class 10: max. 85.6 kbps (downlink)

* PBCCH support

* Coding schemes CS 1, 2, 3, 4

* USSD

* Non transparent mode

* PPP-stack

Compatibility

* AT cellular command interface

Approvals

* CE /FCC /PTCRB /GCF /IC /ICASA /ROHS

Enhanced version add following features

*FOTA * MMS

* Embedded AT

Specifications for Voice

* Tricodec

– Half rate (HR)

– Full rate (FR)

– Enhanced Full rate (EFR)

* Hands-free operation

(Echo suppression)

* AMR

– Half rate (HR)

– Full rate (FR)

Carrier Approvals

* NCC/Orange/AT&T/Vodafone