6-channel Analog Inputs, 2-channel Analog Outputs, 2-channel Digital Inputs And 2-channel Digital Outputs PoE Module, WT-25+75, web controller, CPU 80186 80 MHz, converter

Intelligent Active GPRS Remote Terminal Unit, Quad-band GSM 850/900/1800/1900 MHz modem, CPU 72MHz, 6x digital input, 2x digital output, 1x analog input, 1x RS-232, 1x RS-485, SD interface, GPS, DIN-Rail, converter

Intelligent Active GPRS Remote Terminal Unit with GPS, Quad-band 850/900/1800/1900 MHz modem, CPU 72MHz, 6x digital input, 2x digital output, 1x analog input, 1x RS-232, 1x RS-485, SD interface, DIN-Rail, converter