全球减贫战略的单元SIM900

SIM900 module SIMCOM presents an ultra compact and reliable wireless module. The SIM900 Quad-band GSM/GPRS module is part of SIMCom’s new Surface Mount Technology (SMT) series, 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 application, especially for slim and compact demand 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 * 3 mm - Weight: 7g - 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 - Normal Operation temperature: -30 °C to +80 °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 Drivers - MUX Driver Specifications for Voice - Tricodec – Half rate (HR) – Full rate (FR) – Enhanced Full rate (EFR) - Hands-free operation (Echo suppression) Interface - Interface to external SIM 3V/ 1.8V - analog audio interface - RTC backup - SPI interface - Two Serial interfaces - Antenna pad - I2C - GPIO - PWM - ADC Compatibility - AT cellular command interface Approvals(planning) CE FCC - ROHS - PTCRB - GCF - AT&T - ICASA Accessories: GSM antenna options Murata Coax PCB connector