●Large-capacity lithium battery for 8 hours speech or 25 hours stand-by time.
●Easy for mount and remove.
●It is used in infrared transmission for its merit of high confidentiality,anti-eavesdrop,no radio interference,moible phone anit-interference and no electromagnetic radiation.
●Auto-tracing funtion.It can connect up to 128 sets unit.
●4 channels coaxial infterface.It can expand 64 sets infrared receive unit.
●Supports for individual sound recording.
●Front board with LCD screen,which display the status of system and menu.
●First in first out funtion
●Transmission frequency:1.7MHz-10MHz.It is not affected by the high frequency driving light interference.
●IEC60914 international standard and GBT 15381-94 China standard.