hot sale original sim900

SIMCom presents an ultra compact and reliable wireless module-SIM900. This is a complete Quad-band GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions. Featuring an industry-standard interface, the SIM900 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 24mm x 24mm x 3 mm, SIM900 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+ â?? Class 4 (2 W @850/ 900 MHz) â?? 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 â?? Half rate (HR) â?? Full rate (FR) â?? Enhanced Full rate (EFR) Hands-free operation (Echo suppression) AMR â?? Half rate (HR) â?? 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