Product Description TVLINK Modulator Transform your audio and video experience by converting signals to RF, enabling seamless sharing and remote control of your Digital Set Top Box, DVR, and DVD from any room. Connect multiple rooms effortlessly and enjoy a more unified multimedia experience. Features: Utilizes existing RF circuits in most homes for signal transmission. Allows sharing and remote control of STB and DVD players from different rooms. Supports flexible TV format settings including PAL/NTSC and Sound IF, accommodating global users. Wide frequency range compatibility with both VHF and UHF formats. Selectable transmitting frequency with built-in memory to avoid interference. Stability and enhanced picture quality ensured with broadcast standard PCB design. External setting options for global NTSC/PAL TV formats. Cost-effective solution for local CATV systems. Compatibility with Set Top Boxes and various A/V sources. UHF Modulator - PAL/NTSC Selectable with output channel options. RF outputs designed for SLX and TV-Links. Specifications: RF Frequency Range: 471.25MHz-885.25MHz Channel Range: PAL: 21-69ch; NTSC: 14-83ch Default Factory Setting: Channel 21 (471.25MHz), PAL I, 38KHz RF Output Impedance: 75Ω unbalanced Video Input Impedance: 75Ω TV Format: PAL/NTSC Sound Carrier Frequency: 4.5 / 5.5 / 6.0 / 6.5MHz Remote Distance: ≥10m Transmitter Distance: ≤30cm Remote Control Frequency: 38/56KHz 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: 96g / 3.39oz Package Weight: 137g / 4.85oz Package Size: 13.2 x 10.5 x 3.2cm / 5.20 x 4.13 x 1.26in Package List: 1 x TVLINK Modulator 1 x USB Cable 1 x IR Emitter Cable 1 x Manual (English)