ITEM NAME:1x Replace SIM800LGA6-B Mini GSM / GPRS Development Quad-Band Qudio Board 5V Descriptio n Description: Supports Voice Calls; Supports SMS Messages; Supports Mobile And Unicom 2G, And Global GSM Network; Supports GPRS Data Characteristics, Data Rate, Download 85.6 Kbps, Upload 42.8 Kbps; Supports Serial Multiplexing Function In Accordance With GSM 07.10 Protocol Supports Two Serial Ports, One Download Serial Port And One AT Command Port. AT Command Supports Standard AT And TCP/IP Command Interface. Supports Digital And Analog Audio, HR, FR, EFR, AMR Speech Coding; Supports FCC, CE Certification; SMT 42PIN Package; Specifications: GA6-B Size: 22.8 mm x 16.8 mm x 2.2 mm Normal Working Temperature: -30 +80'C Limited Working Temperature: - 40~-30'C And +80~+85'C Working Voltage: 3.5V-4.2V Turn-On Voltage: >3.5V The Current Consumption In SLEEP Mode Is 0.9mA Four Frequencies: GSM850, EGSM 900 And DCS 1800, PCS1900 Can Automatically Search For Four Bands. 1 Conforms To GSM Phase 2/2+L GPRS Class 10 Sensitivity: