SIM800A Dual-band Quad-band GSM GPRS Voice SMS Data Wireless Transceiver Module

Main Characteristics Two frequency 900 1800MHzGPRS multi slot class 12 10GPRS mobile station class BMeet the GSM 2 2 standardClass 4 2W 900MHz Class 1 1W 1800MHz Controlled by AT commands GSM 07 07 07 05 and SIMCOM enhanced AT command set Low power consumptionSIM application kitSupply voltage range 3 4 4 4VOperating temperature range 40°C 85°C Voice TricodecHalf rate HR full rate FR Enhanced Full Rate EFR AMRHalf rate HR full rate FR Support suppression algorithm Data TransmissionGPRS class 12 Maximum 85 6 kbps downstream rate Support PBCCHCoding schemes CS 1 2 3 4PPP stackCSD up to 14 4 kbpsUSSDNon transparent Interface68 SMT pinsOne way analog audio interfaceSupport RTCUSB SerialinterfaceSIM card interface 3V 1 8V GPIO ADC PWM I2CGSM antenna pinBT antenna pin SMSPoint to point MO and MT SMS broadcast Text and PDU mode CompatibilityAT cellular command interface Software Features0710 MUX protocolEmbedded TCP UDP protocolFTP HTTPMMSe mailDTMF detectionInterference detectionrecordingSSLPackage included 1 x SIM800A Dual band Quad band GSM GPRS Voice SMS Data Wireless Transceiver Module