Sim900 Gsm/gprs Serial /Ttl Modem With Stub Antenna

We are engaged in offering excellent quality SIM900 GSM/GPRS Serial /TTL Modem with Stub Antenna to our valuable clients. 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, SIM900A can fit almost all the space requirements in your applications, especially for slim and compact demand of design.

General features
a cDual-Band 900/ 1800 MHz
a cGPRS multi-slot class 10/8
a cGPRS mobile station class B
a cCompliant to GSM phase 2/2+
a Class 4 (2 W @900 MHz)
a Class 1 (1 W @ 1800MHz)
a cSAIC (Single Antenna Interference Cancellation) support
a cControl via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
a cSIM application toolkit
a cinternal Supply voltage range : 3.2 ... 4.8V
a cExternal Supply voltage range : 9 ... 12V DC
a cLow power consumption: 1.0mA(sleep mode&BS-PA- MFRMS=9 )
a cOperation temperature: -40A C to +85 A C

Specifications for Fax
a cGroup 3, class 1

Specifications for GPRS Data a cGPRS class 10: max. 85.6 kbps (downlink)
a cPBCCH support
a cCoding schemes CS 1, 2, 3, 4
a cPPP-stack

Specifications for CSD Data
a cCSD up to 14.4 kbps
a cUSSD
a cNon transparent mode

Specifications for SMS via GSM/GPRS
a cPoint to point MO and MT
a cSMS cell broadcast
a cText and PDU mode

Software features
a c0710 MUX protocol
a cembedded TCP/UDP protocol
a cFTP/HTTP