Simcom GSM/GPRS Module (SIM900D)

Product Description

SIMCom presents an ultra compact and reliable wireless module-SIM900D. This is a complete Quad-Band GSM/GPRS module in a SMT 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 SIM900D 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 33mm x 33mm x 3mm, SIM900D can fit almost all the space requirements in your M2M applications, especially for slim and compact demands of design.

Top Features
Single-IC: AMR926EJ-S core
SMT
Quad-Band 2G
GPRS Class 10/8
SIM application toolkit
Embedded TCP/IP

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)
Dimensions: 33* 33 * 3 mm
Weight: 6.2g
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 ° C to +80 ° 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

Drivers
MUX Driver

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)

Interfaces
Interface to external SIM 3V/ 1.8V
Analog audio interface
RTC backup
SPI interface
Serial interfaces
Embedded SIM(option)
Antenna pad
GPIO
ADC
Charge interface for Li battery
PWM

Compatibil
AT cellular command interface