SIM900 Datasheet



SIM900 is a quad-band GSM/GPRS engine that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz. SIM900 Designed for global market, SIM900 is a quad-band GSM/GPRS engine that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz. SIM900 features GPRS multi-slot class 10/ class 8 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4. With a tiny configuration of 24mm x 24mm x 3mm, SIM900 can meet almost all the space requirements in your applications, such as M2M, smart phone, PDA and other mobile devices.The physical interface to the mobile application is a 68-pin SMT pad, which provides all hardware interfaces between the module and customers boards. The keypad and SPI display interface will give you the flexibility to develop customized applications.•Serial port and Debug port can help you easily develop your applications.•One audio channel includes a microphone input and a speaker output.The SIM900 is designed with power saving technique so that the current consumption is as low as 1.5mA in SLEEP mode.The SIM900 is integrated with the TCP/IP protocol; extended TCP/IP AT commands are developed for customers to use the TCP/IP protocol easily, which is very useful for those data transfer applications. SIM900 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 * 3 mm● Weight: 3.4g● Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)● SIM application toolkit● Supply voltage range 3.4 ... 4.5 V● Low power consumption● Operation temperature: -30 °C to +80 °C


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