Competitive price gps gsm module/micro gsm module simcom sim900 from china supplier

What is Features of our    2014 new hot sale gsm module fast delivery technology support/ low price sim900 quad band module

Software features:
* 0710 MUX protocol
* embedded TCP/UDP protocol 
* FTP/HTTP( available at late July ,2010)
* FOTA ( available at July ,2010)
* MMS (available at July ,2010)
* Embedded AT (available at Q3,2010)

Specifications for audio

* Tricodec
  - Half rate (HR)
  - Full rate (FR)
  - Enhanced Full rate (EFR)
* Hands-free operation
  (Echo suppression)
* AMR
  - Half rate (HR)
  - Full rate (FR)

Specifications for data transfer

GPRS class 8/10: 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

Integrated TCP/IP stack

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 

Interfaces

* Interface to external SIM 3V/ 1.8V
* analog audio interface
* RTC backup
* SPI interface (option)
* Serial interface 
* Antenna pad
* I2C
* GPIO
* PWM
* ADC  

Compatibility
* AT cellular command interface  

Certificates:
* CE 
* FCC
* ROHS
* PTCRB
* GCF
* IC
* IC

* ICASA
* TA
* REACH

What is Specifications of      2014 new hot sale gsm module fast delivery technology support/ low price sim900 quad band module

Specifications: