AV to RF Modulator with TV Link,UHF PAL/NTSC, Channel 21-69, USB Powered, for Multi-Room STB and DVD Sharing

AV TO RF CONVERSION: Modulates Audio & Video signals to RF signals over coaxial cable, enabling multi-room distribution of your media. MULTI-ROOM SHARING: Share and remotely control your Set Top Box, DVR, or DVD player from different rooms using the existing RF circuit in your home. TV LINK INCLUDED: Comes with a TV Link, allowing remote control signals and power to be transmitted via RF over distances of up to 10 metres. WIDE FREQUENCY RANGE: Selectable transmitting frequency across a wide range of 471.25MHz–855.25MHz (Channels 21–69) with built-in memory to minimise interference. GLOBAL FORMAT SUPPORT: Supports PAL & NTSC TV formats with selectable Sound IF frequencies of 4.5, 5.6, 6.0, and 6.5 MHz for worldwide compatibility.