T-218 Remote Paging Microphone Datasheet Manual Firmware FeatureDesktop design, black aluminum oxide drawing panel, exquisite and beautiful, exquisite technology, full of modern sense.LCD screen and zone indicator light display the working status of each zone, 16 digital keys and function keys, which are easy to operate.With bell warning and volume adjustment.1 mic and independent volume adjustment; one auxiliary line input; one way of audio auxiliary output, external expansion of active speaker.It can be extended to 16 remote call microphones t-218 for paging broadcast, with the max wiring distance of 1km.