1, wireless queuing management system 2, touch screen customers take numbers software, 3, the Queuing ... the Communication Controller1, Dimension: 205mm X 150mm X 28mm2, Function: Signal Conversion3, input interface: RS-2324, output interfaces: RS-4855, the ... hours6, weight: 100 grams7, key numbers: 17 wireless queuing management system... wireless queuing management ...