High gsm voice modem

NEW and STABLE MODULE!! GSM modem with AT command. 850/900/1800/1900Mhz. Support sending and receiving sms/mms, dial, IMEI change and voice advertising. With free voice software, sms software and imei changeable software. 1/8/16 port are in stock. Use modem to promote your business.

Professional GSM GPRS modem manufacturer. * We can offer secondary development controls, SDK DLL, customized AT commands for own modules. * We integrate multi chipsets inside Serial port data cable, instead of traditional PCI interface card, more stable and convenient, anti signal interference, electromagnetic shielding. * Bulk SMS, multi recharge and voice broadcasting three in one module available. * Own developed module, own developed software, own manufacture help us offer competitive price, professional service, fast response and stable performance to clients. Web: http://en.gzqida.com Email: puiyee[at]gzqida.com

GSM Modem with quad band. RS232/USB interface.For bulk sms, voice call, imei change. Provide AT command, Secondary Development for industry.

* 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. : QS81 Module : QS80 Network : GSM Frequency : Dual band: 850/900/1800/1900 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 Function:Bulk sms/mms,voice,wap,imei change,stk recharge,CSD,etc. 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 Input voltage DC 12V~24V Working temperature -20℃~+70℃ Storage temperature -40℃~+85℃ Size : 220*120*114mm Package size : 27*21*17.1cm Housing : Aluminum Casing Weight :3.0kg Accessories :AC/DC adapter, USB cable/PCI card, Antennas and driver

Plug SIM card and surf internet without configuration Qualcomm processor for supreme performance Support external Landline phone via VoLTE,make calls anytime anywhere Automatically switch to wired connection once connected with modem Device is under warranty This router is perfect for locations where 4G LTE speeds are faster than cable broadband or ADSL is inconvenient. It provides High speed Wi-Fi service and Voice service to you steadily.