Gsm/gprs Module Sim900b

SIMCom presents a compact and reliable GSM/GPRS Module SIM900B which is compatible with the module-SIM300/340 and SIM340E. This is a complete GSM/GPRS Quad-band Module is 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.

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+
a Class 4 (2 W @850/ 900 MHz)
a Class 1 (1 W @ 1800/1900MHz)
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 3.4 ... 4.5 V
Low power consumption
Normal Operation temperature: -30 A C to +80 A C

Specifications for Fax
Group 3, class 1

Specifications for Data
GPRS class 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

Specifications for SMS via GSM/GPRS
Point to point MO and MT
SMS cell broadcast
Text and PDU mode

Software features
0710 MUX protocol
FTP/HTTP(available at July.2010)
Specifications for Voice
Tricodec
a Half rate (HR)
a Full rate (FR)
a Enhanced Full rate (EFR)
Hands-free operation
i Echo suppressioni
Interface
60 PIN Board-to-hoard connector
Interface to external SIM 3V/ 1.8V
Two analog audio interface
RTC backup
SPI interface
Serial interface