Specifications

Original Simcom arm gsm module
* Quad band 850/900/1800/1900MHz
* SMD size 24x24 mm

Original Simcom arm gsm module --New replacement for SIM300D/340D series 

Featuring an industry-standard interface, the SIM900D delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 33mm x 33mm x 3 mm, SIM900D can fit almost all the space requirements in your M2M applications, especially for slim and compact demands of design.
 
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+
 - Class 4 (2 W @850/ 900 MHz)
 - 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 : 3.1 ... 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
* 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
 
Software features
* 0710 MUX protocol
* embedded TCP/UDP protocol
* FTP/HTTP( available at July ,2010)
* FOTA ( available at July ,2010)
* MMS (available at July ,2010)
* Embedded AT (available at Q3,2010)
 
Specifications for Voice
* Tricodec
 - Half rate (HR)
 - Full rate (FR)
 - Enhanced Full rate (EFR)
Hands-free operation
(Echo suppression)
AMR
 - Half rate (HR)
 - 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
* GCF
 
Certificates(on going)
* FCC
* IC

Accessories:

GSM antenna options

 

SMA CONNECTER

 

PCB ANTENNA

 

GSM ANTANNA

 

 

 

Murata Coax  PCB connector