Feature:1. Sharing Function: The AV to RF TV modulator convertor can share settop boxes and DVDs with several rooms.2. Multiple Formats: The RF modulator can be flexibly set to TV formats such as PAL NTSC and IF to suit users around the world.3. Wide Frequency Range: The modulator has a wide frequency range of 471.25MHZ885.25MHZ, selectable transmit frequency and corresponding frequency display and built in memory will minimize and avoid interference.4. Standard PCB Circuit Design: The AV to RF TV modulator is designed with broadcast standard PCB circuitry to further improve stability and better image quality.5. Applicable: AV to RF TV modulator is suitable for global or external setups using NTSC PAL B G, 1, D K, L M N TV formats.Specification:Item Type: RF ModulatorMaterial: ABSRF Frequency Range: 471.25MHz-885.25MHzChannel Range: PAL: 21-69; NTSC: 14-83Default Factory Setting: Channel 21 (471.25MHz) PALTV Format: PAL NTSCSound Carrier Frequency: 4.5 5.5 6.0 6.5MHz.Package List:1 x RF Modulator1 x USB Cable1 x Manual