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ShenZhen Baihui Technology Co.,LImited ,

Simcome Wireless GPRS module sim900A

Computer & Accessory
Simcome Wireless GPRS module sim900A


Offer Type: Sell

Offer Category: Computer & Accessory  -  Computer Connectors

Offer Post Time: 2011-06-09

Serial Code:

Model: sim900A


Carriage: Shenzhen


Minimum Order Quantity: 1 Set

Price: 250.00 RMB


SIMCom presents an ultra compact and reliable wireless module. The SIM900A is a complete Dual-band GSM/GPRS module in a SMT type which is designed specially for Chinese market, allowing you to benefit from small dimensions and cost-effective solutions. 

Featuring an industry-standard interface, the SIM900A delivers GSM/GPRS 900/1800MHz 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, SIM900A can fit almost all the space requirements in your applications, especially for slim and compact demand of design. 

General features
Dual-Band 900/ 1800 MHz
GPRS multi-slot class 10/8
GPRS mobile station class B
Compliant to GSM phase 2/2+
  – Class 4 (2 W @900 MHz)
  – Class 1 (1 W @ 1800MHz)
Dimensions: 24mm x 24mm x 3mm
Weight: 3.4g
Control via AT commands (GSM 07.07 ,07.05 and  
  SIMCOM enhanced AT Commands)
SIM application toolkit
Supply voltage range : 3.1 ... 4.8V
Low power consumption: 1.5mA(sleep mode)
Operation temperature: -40°C to +85 °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

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

Software features
 0710 MUX protocol
 embedded TCP/UDP protocol 
  FTP/HTTP( available at July ,2010)

Enhanced version add following features
FOTA ( available at July ,2010)
\MMS (available at July ,2010)
\ Embedded AT (available at Q3,2010)

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

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

AT cellular command interface