Product description 32 Ports Modem Pool is a big bulk sms machine which consists of 32 of 3G modems. The modem pool provides an efficiency way for management of numbers of modems. After connecting the modem pool to the computer through USB cable, the computer shows 32 COM Ports. You can use 'AT Command' or some software to control each of the modems for sending SMS, using mobile recharge STK USSD and changing imei. Technical Parameters (1)Type: 32 Port 3G Modem Pool (2)Module: Simcom Sim5215 (3)Working Frequency: *SIM5215A: Dual-Band UMTS/HSDPA 850/1900MHz Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz *SIM5215E: Dual-Band UMTS/HSDPA 900/2100MHz Tri-Band GSM/GPRS/EDGE 850/900/1800MHz (4)Interface: USB Port (5)Power Source: 5-24V DC (6)Support SMS/STK/USSD/Mobile Recharge/IMEI Change (7)Control via AT Commands Packing List: (1)One unit Modem (2)One Piece USB Cable (3)One Piece Power Supply Adapter (4)One Piece Driver CD (5) 32 Pieces Antennas
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