GSM Module SIM900
24x24 x 3mm
Quad-band
GSM/GPRS Module
Tech parameter
GSM module SIM900 is a quad-band GPRS/GSM module, which widely can be used for alarm syste, oil fefine, vehicle security and tacking system.
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).

Interface
- 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. Noheight{line-height: 15px}. Noheight p{line-height: 15px}Quad-band.