NEW Cinterion Siemens MC55i GSM Terminal Modem + FREE Shipping from EU | eBay
Amazon.com: OSTENT Quad-Band GSM GPRS Modem with Siemens MC55I Module COM/RS232/Serial Port at Commands TCP/IP SMS MMS Voice Call UK Plug Power Adapter : Electronics
NEW Cinterion Siemens MC55i GSM Terminal Modem + FREE Shipping from EU | eBay
Hot selling mc55i Modem Cinterion M2M GPRS GSM Modem Open AT TCP/IP agreements Quad band 850/900/1800/1900 Mhz _ - AliExpress Mobile