Hot sale!8 port gsm sms modem can compatible with mobile recharge system

Key Feature:

     Just like 8 single-channel equipments work at the same time

     can insert eight SIM cards(big or small)

     connection with the computer through a data line can be integrated with Serial 8

     Each channel with separate power switch
     Each individual module can be demolished
     industrial chassis, elegant shell

     GSM/GPRS: 900/1800

     8 x SIM card(big/small) slots

     Wireless access to internet

     Comply with GSM phase2 standard

       Dual-band/Quad-band(optional)
     RS-232/USB interface(optional)
     8 SIM Card supported (Big/Small)

     Optional MMS,data,voice function
     Can send and receive English SMS in bulk

Basic Feature:

     Asynchronous, transparent or non-transparent, to a maximum 14400 bits/s
     Baud Rate : 300-115200 bits/s
     Automatic baud rate: from 2400 to 19200 bits/s
     Fax support three
     Switched voice and fax
     V.42, V.42bis
     GPRS compatible
     WAP compatible
     SMA Antenna Interface
     SIM Card Outlet
     Power connector
     RS-232, the Mini-DB-9 connector
     AT command control ( GSM 07.07 and 07.05)

Application:

      Large shopping malls, supermarkets
      Professional market, large wholesalers
      Large hotels, large-scale entertainment
      Large agencies
      Transport, logistics industry
      Large enterprises, and institutions
      Large hospitals, large bookstore
      Newspaper, television and radio stations
      Oil Company ( other chain business model)
      Government agencies or large township

Hardware Feature:

     Meet the ETSI GSM 2 + standards
     Class 4 ( 2W @ 900 MHz) Class 5 ( 1W@1800 MHz)
     5 -24 VDC power supply (which can be directly connected to the nickel- metal

     hydride or lithium batteries)    
     Operating Temperature: -20 ° C - + 55 ° C
     Storage temperature: -25 ° C - + 70 ° C
     Size: standard 1U chassis