SIM900A Module Dual Band GSM GPRS SMS Wireless Transmission Module With Positioning Support For Raspberry Pi

Feature: Dual-band 900/1800 MHz GPRS multi-slot class 10/8 GPRS mobile station class B Meet GSM 2/2 + standards - Class 4 (2 W @ 900 MHz) - Class 1 (1 W @ 1800MHz) Size: 24 x 24 x 3 mm Controlled by AT commands(GSM 07.07, 07.05 and SIMCOM enhanced AT command set) SIM application toolkit Supply voltage range: 3.2-4.8V Low power consumption: 1.5mA (sleep mode) Operating temperature range: -40 C to +85 C. Data transmission: GPRS class 10: up to 85.6 kbps (downlink rate) Support PBCCH Coding schemes CS 1, 2, 3, 4 The CSD up to 14.4 kbps USSD Non-pass through PPP-stack SMS: Point-to-point MO and MT SMS broadcasting Text and PDU mode Software features: 0710 the MUX protocol Embedded TCP/UDP protocol FTP/HTTP (by July 2010 implementation) Enhanced version of software features Of FOTA (2010 implementation) MMS (2010 implementation) The Embedded AT (the first three quarter can be achieved) Voice: Tricodec - Half Rate (HR) - Full rate (FR) - Enhanced Full Rate (EFR) Support for echo suppression algorithm AMR - Half Rate (HR) - Full rate (FR) Interface: Support SIM card is 3V/1.8V interface Analog Audio Interface Support RTC SPI interface Serial Interface Antenna pad I2C GPIO PWM ADC Compatibility: AT cellular command interface Package Included: 1 x SIM900A Transmission Module