Specifications

The SIM900 Quad-band GSM/GPRS module is part of SIMCom’s new Surface Mount Technology (SMT) series, allowing you to benefit from small dimensions and cost-effective solutions.

Featuring an industry-standard interface, 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 application, especially for slim and compact demand

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)

•Dimensions: 24* 24 * 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 °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)

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

Approvals(Planning)

•CE

•FCC

•ROHS

•PTCRB

•GCF

•AT&T

•ICASA