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+ – 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 : 3.2 ... 4.8V * Low power consumption: 1.0mA(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 Special firmware * FOTA * MMS * Java (cooperate with Iasolution) * Embedded AT 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 * REACH Carrier Approvals * AT&T * NCC * Anatel * Rogers * Orange * Vodafone