DTV TV Link Modulator: AV to RF & IR Extender (DRF-40)
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This DTV TV Link Modulator converts AV signals to RF and extends IR remote control signals, allowing you to distribute audio/video from a source device to multiple TVs over coaxial cable. It supports PAL/NTSC formats and features adjustable sound carrier frequencies, making it ideal for home entertainment or commercial setups. The compact unit is powered via USB and includes an IR extender for remote control operation up to 10 meters away.
add_circle The Upside
- check Enables distribution of AV signals to multiple TVs without additional cabling
- check IR extender allows remote control from a distance
- check Compact and easy to power via USB
remove_circle The Downside
- close Limited transmitter distance of 30cm may require close placement
- close Requires existing coaxial cable infrastructure
- close No built-in signal amplification for long cable runs
Specifications & features
Key features
- check_circle AV to RF conversion with IR extension
- check_circle Frequency range 471.25MHz - 855.25MHz
- check_circle Supports PAL and NTSC TV formats
- check_circle Adjustable sound carrier frequencies (4.5/5.5/6.0/6.5MHz)
- check_circle USB powered (5V, 500mW)
Specifications
Channel Range
21-69
Default Channel
21 (471.25MHz), PAL I 38KHz
Frequency Range
471.25MHz - 855.25MHz
Output Impedance
75 ohm
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