1、Modulator: UHF modulator, PAL / NTSC optional, convenient for your local CATV system. 2、Convenient: The modulator of this compact device allowed the connection of audio / video components, especially televisions without audio and video jacks. 3、Audio and Video to RF converter: AV to RF converter compatible with set top boxes and other A / V sources, more reliable to use. 4、Special Design: Audio and Video to RF converter designed with adjustable audio / video output level and optional output channel. 5、Good Performance: Simple looking design, exquisite workmanship, making you caress with admiration. 6、Applicable: This Audio and Video to RF UHF modulator is perfect for DVD players, games, digital. 7、Durable: The TVmodulator adopts high quality material, sturdy and durable, and you can use it for a long time.