Feature: 1. Professional Design: HD Multimedia Interface RF modulator supports VHF UHF operating frequencies. Cost saving for your own local cable system, AV output is widely used, easy to install and simple to operate. 2. Adjustable Output Level, Channel Digital Display: HD Multimedia Interface modulator RF converter has adjustable sound output level, adjustable video output level, channel digital display and optional output channels. 3. Signal Conversion: Digital modulator can convert AV input to RF output signal, when the AV device system is turned on, it will automatically switch to home TV, compatible with all local cable TV systems. 4. Widely Applicable: HD Multimedia Interface RF modulator has a clearer picture without interference from external signals. Suitable for satellite receivers, video cameras, video game consoles, CCD cameras, VCRs, DVDs, etc. 5. Lightweight and Durable: HD Multimedia Interface to RF digital modulator adopts humanized design, compact and lightweight, easy to carry; made of premium plastic and metal materials, wear resistant and durable, can be used for a long time Specification: Item Type: HD Multimedia Interface RF Modulator Material: Metal, Plastic TV Standard Format: PAL NTSC Frequency Range: 470-862MHz (UHF), 47-300MHz (VHF) Bandwidth: 6MHz, 7MHz, 8MHz Output level: 70-90dBuV Sound System: M = 4.5MHz, B G = 5.5MHz, I = 6.0MHz, D K = 6.5MHz RF Output: F Female HD Multimedia Interface Version: 1.3 HDCP Version: 1.3 . Package List: 1 x HD Multimedia Interface RF Modulator1 x Instruction Manual