HDM69 Digital RF HD Multimedia Interface Modulator AV to RF Converter VHF UHF PAL Standard Portable Modulator for.Feature: 1. VHF UHF operating frequency. 2. Adjustable output level, adjustable audio and video output level. 3. The output channel is optional, HD Multimedia Interface and AV input, support PAL TV format output. 4. Humanized design, compact and lightweight, portable to carry. 5. No need to install driver, easy and flexible to installa, plug and play. Specification: Condition: Bran