Description: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: BlueMaterial: PlasticStandard: pal / NTSCFrequency Range: 47-868MHzOutput Impedance: 75ohmOutput Level: 70-90dBuVSound System: M=4.5MHz, B/G=5.5MHz, I=6.0MHz, D/K=6.5MHzInsertion Loss: <1.5dBOperating Temperature: 10℃ ~+60℃Size: Approx. 16 * 9.5 * 5cm / 6.3 * 3.7 * 2.0in Weight: Approx. 416g Package List:1 * Modulator1 * User Manual.