... ( GSM 07.07 and 07.05) gsm modem with external antenna Application ♦ Large shopping malls, supermarkets♦ Professional market, large ... + 70 ° C♦Size: standard 1U chassis gsm modem with external antenna Supported operating systems-Windows 7 (Home, Premium, Pro, Ultimate, ... 2000 (Server and Pro)gsm modem with external antennagsm modem with external antenna Intelligent 32 port gsm modem RS232/USB ...