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. 1 x Modulator1 x Power Cord1 x Description  Item Type: ModulatorMaterial: ABSModel: M70Color: BlackFunctions: Video Modulation, Conversion, etcScope of Application: TV, etcRF Frequency Range: 471.25mhz - 855.25mhzChannel Range: PAL: 21-69; NTSC: 14-83RF Output Impedance: 75ΩVideo Input Impedance: 75ΩVideo Format: PAL/NTSCVoice Carrier Frequency: 4.5/ 5.5/ 6.0/ 6.5 MHz