Features: 1.Sharing Funtion: AV to RF converter with IR repeater can share set top boxes and DVDs with several rooms. 2.Worldwide Use: RF modulator can set the flexibility of TV formats such as PAL NTSC and IF to meet users around the world. 3.Wide Range: Modulator has a wide frequency range of 471.25MHZ?885.25MHZ, selectable transmit frequency and corresponding frequency display and built in memory will minimize and avoid interference. 4.PCB Circuit Design: The AV to RF TV modulator uses broadcast standard PCB circuit design to further enhance stability and better image quality. 5.Applicable: AV to RF TV modulator for global or external setup using NTSC PAL B G, 1, D K, L M N TV formats. Item Type: RF Modulator Material: ABS RF Frequency Range: 471.25MHz-885.25MHz Channel Range: PAL:21-69;NTSC:14-83 Default Factory Setting: Channel 21 (471.25MHz) PAL TV Format: PAL NTSC Sound Carrier Frequency: 4.5 5.5 6.0 6.5MHz IR Remote Frequency: 34-56KHz 1 x RF Modulator 1 x USB Cable 1 x IR Extender 1 x Manual 1 x Double Sided Sticker