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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: SIMCOM
  • Model Number: SIM900
  • GSM module: SMD module

Packaging & Delivery

Packaging Details carton box
Delivery Time in stock

SIM900 GSM GPRS module


SIMCOM present an ultra compact and reliable wireless module. 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 solution.

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 x 3 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 command (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
- Non transparent mode
- PPP-stack

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

- MUX Driver

Specifications for Voice
- Tricodec
– Half rate (HR)
– Full rate (FR)
– Enhanced Full rate (EFR)
- Hands-free operation
(Echo suppression)



- Interface to external SIM 3V/ 1.8V
- analog audio interface
- RTC backup
- SPI interface
- Two Serial interfaces
- Antenna pad
- I2C

- AT cellular command interface

- AT&T



GSM antenna option

Murata Coax PCB connector



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