RF Modulator Product Description RF Modulator for A/V Signal Conversion Experience seamless audio and video distribution with our RF Modulator. This innovative product allows users to modulate audio/video signals into RF signals over coaxial connections, enabling you to share and remotely control your digital set-top box, DVR, DVD player, and AV receiver across multiple rooms. Key Features: Utilizes existing RF circuits found in most homes for effortless setup. Enables sharing of set-top boxes and DVDs across several rooms. Offers flexibility in TV format settings, supporting both PAL and NTSC, as well as multiple sound IF options for global compatibility. Wide frequency range of 471.25MHz-885.25MHz with selectable transmitting frequencies ensures minimal interference. Built-in memory retains your settings. Broadcast standard PCB design enhances stability and improves picture quality. External settings for NTSC/PAL B/G, I, D/K, L, M/N TV formats support global use. Compatible with various A/V sources, including set-top boxes. UHF modulator with PAL/NTSC selectability and output channel selection. Powers via USB for convenience and simplicity. Specifications: RF Frequency Range: 471.25MHz-885.25MHz Channel Range: PAL: 21-69; NTSC: 14-83 Default Factory Setting: Channel 21 (471.25MHz), PAL RF Output Impedance: 75Ω unbalanced Video Input Impedance: 75Ω TV Format: PAL/NTSC Sound Carrier Frequency: 4.5 / 5.5 / 6.0 / 6.5MHz Power: USB 5VDC Power Consumption: ≤1W Material: ABS Item Size: 104 x 68 x 24mm / 4.09 x 2.68 x 0.94in Item Weight: 80g / 2.85oz Package Weight: 122g / 4.30oz Package Size: 13.2 x 10.5 x 3.2cm / 5.20 x 4.13 x 1.26in Package List: 1 x RF Modulator 1 x USB Cable 1 x Manual (English) Enhance your home entertainment system with this versatile RF Modulator. Whether you're sharing content across multiple rooms or exploring global TV formats, this device offers unmatched reliability and picture quality.