• 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: 24*24*3 mm
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 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
Interfaces
Interface to external SIM 3V/ 1.8V
analog audio interface
RTC backup
SPI interface
Two Serial interfaces
Antenna pad
I2C
GPIO
PWM
ADC
Enhanced version add following features
FOTA ( available at July, 2010)
MMS (available at July, 2010)
Embedded AT (available at Q3, 2010)
Software features
0710 MUX protocol
embedded TCP/UDP protocol
FTP/HTTP( available at July, 2010)
Compatibility
AT cellular command interface
Certificates
RoHS
TA
REACH
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