1Support VHF / UHF operating frequency 2Channel digital display 3Ergonomic design, easy to install, easy to operate 4Adjustable output level and adjustable audio/video output level 5Channel digital display and selectable output channel This RF Modulator allows you to convert the AV inputs into RF output signals, and when the AV device system is turned on, it will switch to Home TV automatically. This modulator privides a clearer picture and is free from outside signal interference. It is suitable for satellite receivers, video cameras, video game consoles, CCD cameras, VCR, DVD and more. Features: 1. Support VHF / UHF operating frequency. 2. Channel digital display. 3. Ergonomic design, easy to install, easy to operate. 4. Adjustable output level and adjustable audio/video output level. 5. Channel digital display and selectable output channel. 6. Compatible with all local CATV system. Specifications: Color: Blue Plug Type: US(110V), EU(230V) (Optional) Material: Plastic Standard: pal / NTSC Frequency Range: 47-868MHz Output Impedance: 75ohm Output Level: 70-90dBuV Input Level: 0.77Vp-p for 80%+/-10% modulation Sound System: M=4.5MHz, B/G=5.5MHz, I=6.0MHz, D/K=6.5MHz Insertion Loss: