... as 16 times as a single channel modem. It uses the development of WAVECOM module, 220V power supply, can be ... send text messages. Key Features♦USB/RS232 GSM modem pool♦Based on Wavecom industrial modules Q24plus,Q2406,Q2303,Q2403♦GSM: ... can be demolished5, industrial chassis, elegant shell serial port gsm modem Applications ♦ Large shopping malls, supermarkets♦ Professional market, large wholesalers ...