- carrier wave frequence: 2.4g - good microwave anti-jamming can well avoid disturber of wireless phone ,electrical sparkle,household appliances signal as 900mhz etc frequence and avoid disturber of transmiter frequency to other receive equipments. - receive well sound and images by 4 entries channel and good ways of frequency modulation wide frequency characteristic of audio / video,high s/n. dvd effect by video direct receive same as signal direct connec tv. stereo is good when send cd ueberschall -small bulk,size: 60*102*30 - good performance to price ratio.easy install - to be the same with hospital.school.shop.company,warehouse,family, residential district etc. lkv2.4ghz wireless av transport adopt advanced microwave and wireless transfer technic.can transfer video and audio signal hi-fi. visual range up to 200m. 20-100m when have roadblock, effective distance is more than 5 times than other rivals'support output signal: dvd.vcd.cd.tv.vcr.vtr. to be the same with hospital.school.shop.company,warehouse,family, residential district etc.