... fax♦V.42, V.42bis♦GPRS compatible♦WAP compatible♦SMA Antenna Interface♦SIM Card Outlet♦Power connector♦RS-232, ... ( 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, Enterprise ...