* SIM900 develop kit * sim900 develop kit with gsm gprs antenna * develop board with all accessories * Original from SIMCO Specifications

( sim900 modem gift antenna ) SIM900 develop kit 

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: 24*24*3mm* 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 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 late 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 * Antenna pad* I2C* GPIO* PWM* ADC  

Compatibility* AT cellular command interface  

 Certificates:* CE * FCC* ROHS* PTCRB* GCF* IC* ICASA* TA* REACH * AT

evaluation board for SIM900A SIM900