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SIM900/900B/900D - GSM/GPRS Module The SIM900 series deliver GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption.   SIM900 SIM900B SIM900D SIM900DS   Compatible   SIM300/340 SIM340D   Dimensions 24* 24 * 3 mm 40*33*3 mm 33*33*3mm 24*24*3 Pin Type SMD DIP SMD SMD Simcard Single Simcard Dual Simcard GSM/GPRS Band 850/ 900/ 1800/ 1900 MHz GPRS multi-slot class 10: max. 85.6 kbps (downlink) GPRS mobile station GPRS mobile station class B GSM Compliant to GSM phase 2/2+ - Class 4(2W @ GSM850/900MHz) - Class 1(1W @ GSM1800/1900MHz) AT commands GSM 07.07 and 07.05 and SIMCom enhanced AT commands Power consumption voltage range: 3.4V - 4.5V Data Spec Non Transperante Mode, CSD up to 14.4 kbps, PBCCH support, Coding schemes CS 1, 2, 3, 4, USSD, PPP-stack SMS Spec Point to point MO and MT, SMS cell broadcast, Text and PDU mode Interfaces external SIM 3V/ 1.8V, Analog audio interface, RTC backup, SPI interface, Serial interface, GPIO, PWM, ADC, Antenna pad, I2C 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) Software feature 0710 MUX protocol, Embedded TCP/UDP protocol, FTP/HTTP FTP/HTTP/SMTP/POP3 Eval Module SIM900TE (SIM900 + board with B2B connector) no special module SIM900DTE (SIM900D + board with B2B connector) Evaluation Kit SIM900EVB or SIM900DB SIM900BEVB SIM900DEVB SIM900EVB SIM900 Compatible Series   SIM900TEC SIM900B SIM900B-E   Compatible SIM340C SIM340 SIM340E See also SIM3XX, Certification

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