Sim900d Module

Our offered range of SIM900D Module is available with following specifications :-
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+
a Class 4 (2 W @850/ 900 MHz)
a Class 1 (1 W @ 1800/1900MHz)
* Dimensions: 33*33*3mm
Weight: 6.2g
* Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
* SIM application toolkit
* Supply voltage range : 3.2 ... 4.8V
* Low power consumption: 1.0mA(sleep mode)
* Operation temperature: -40 A C to +85A 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
* USSD
* Non transparent mode
* PPP-stack

Software features
* 0710 MUX protocol
* embedded TCP/UDP protocol
* FTP/HTTP
Special firmware
*FOTA
* MMS
* Embedded AT

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

Interfaces
* Interface to external SIM 3V/ 1.8V
* analog audio interface
* RTC backup
* SPI interface (option)
* Serial interface
* Embedded SIM (option )
* Antenna pad
* GPIO
* ADC
* Charge interface for Li battery
* PWM

Compatibility
* AT cellular command interface

Certificates:
* ROHS
* REACH
* CE

Carrier Approvals
* Orange

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