Features: 1.Cost effective for your own local CATV system 2.A/V output for widely application 3.Humanized design, easy to install, easy to operate 4.VHF / UHF operating frequency 5.Output level adjustable 6.Audio Output Level Adjustable 7.Channel digital display 8.Output Channel Selectable. Specifications: ITEMM64 StandardPAL /NTSC Frequency RangePAL ú¦CH2~CH4íóS1~S10íóCH5~CH12íóS11~S41íóCH21~CH69 NTSCú¦002~136 Bandwidth6MHzíó7MHzíó8MHz Output Impedance75OHm Output level80~95dBuV Input Level0.77Vp-p for 80%+/-10% modulation Sound systemM=4.5MHzíóB/G=5.5MHzíóI=6.0MHzíóD/K=6.5MHz Isolation From Modulator to CATV inmore than 30dB Insertion Lossless than 1.5dB A/V connectorScart female RF InputF female RF OutputF female Power Consumption9Volt DC, 300mA Operating Temperature-10íµ ~ +60.