Promotion! With RDA QS80 module, 8 Port USB GSM SMS Modem/ bulk sms sender

8 ports SIM card slots.Just like 8 single-channel equipments work at the same time * 2G GSM Frequency: 900/1800MHz * SMS sending: 600/800/1000/1200 SMS per hour by one port * Connection with the computer through RS232 interface (PCI card is opitonal) can be integrated with USB interface * Each port with separate power switch * Each individual module can be discharged * Bulk sms/mms sending, voice ads, data consumption and IMEI changeable etc * Open AT command * Industrial chassis, elegant shell * Wireless access to interne * Comply with GSM phase2 standard * Internet Services: PPP,TCP, UDP, FTP,HTTP, SMTP, POP3 Model NO. QS80 Module Based on wavecom industrial modules:Wavecom Q2303 Network GSM Frequency Dual band: 900/1800 Mhz Max Transmit Power Class 1(1W):DSC1800,PCS1900 Class 2(2W):GSM850,EGSM900 SIM Port 8 x SIM card(big/small) slots SMS quantity Send 600/800/1000/1200 SMS per hour by one port SIM port Big card:85*53mm , small card:25*15mm, 1.8V or 3V Port :USB2.0/PCI Headset support :bulk sms,mms,voice,imei change. Internet :Wireless Access to internet With TCP/IP stack :Internet Services: PPP,TCP, UDP, FTP,HTTP, SMTP, POP3 AT command PC System :Windows2000,Windows XP,Windows Vista,Windows 7,WinCE 4.2,WinCE 5.0,WinCE 6.0,Linux,MAC Housing :Aluminum Casing Weight :3.0kg Accessories :AC/DC adapter, USB cable/PCI card, Antennas and driver