Low cost 16 port gsm modem BULK SMS marketing Multiple SIM card modem for SMS voice call, wavecom modem pool

Model NO. :QS160 Module :Based on wavecom industrial modules:2303A Network :GSM Frequency :Dual band: 900/1800 Mhz Max Transmit Power : Class 1(1W):DSC1800,PCS1900 Class 2(2W):GSM850,EGSM900 SIM Port :16 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 function:bulk sms,mms,imei change,wap. 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 Accessories :AC/DC adapter, USB cable/PCI card, Antennas and driver