Single Channel AV to RF Analog Modulator – Frequency Adjustable Cable TV Signal Mixer

The Tuoying Single Channel AV to RF Analog Modulator is a compact, professional-grade signal converter that transforms standard composite AV (audio/video) signals into RF analog output — perfect for distributing custom programs over existing cable TV infrastructure. Whether you're inserting self-produced content into a cable network or setting up a private TV channel for hotels, hospitals, schools, or offices, this modulator delivers reliable performance in a slim, easy-to-configure form factor.

Made in Mainland China.

Key Features

Wide Channel Range: UHF Channels 21–69, giving you flexible frequency placement on your cable network
Adjustable Output Level: 85 ± 5 dBµV for consistent, strong signal distribution
Multi-Standard Sound Support: Compatible with M (4.5 MHz), B/G (5.5 MHz), I (6.0 MHz), and D/K (6.5 MHz) sound systems
PAL & NTSC Compatible: Works with both PAL and NTSC video standards
Standard RCA Female AV Input: Easily connects to DVD players, CCTV cameras, set-top boxes, and other AV sources
F-Type Female RF Output: Industry-standard connector for seamless cable TV integration
Default Factory Setting: Channel 21 (471.25 MHz), PAL-B/G (5.5 MHz) — ready to use out of the box
USB-Powered: Runs on USB 5V @ 400mA — no bulky power adapter required
CE Certified: Meets European safety and electromagnetic compatibility standards
Compact & Lightweight: 10.4 × 6.8 × 2.4 cm, just 160g — easy to mount or conceal in any installation

Technical Specifications

Standard	PAL / NTSC
Channel Range	UHF 21–69
Output Level	85 ± 5 dBµV
Sound System	M=4.5 MHz, B/G=5.5 MHz, I=6.0 MHz, D/K=6.5 MHz
AV Connector	RCA Female
RF Output	F-Type Female
Default Factory Setting	Channel 21 (471.25 MHz), PAL-B/G (5.5 MHz)
Power Supply	USB 5V @ 400mA
Operating Temperature	0°C – +40°C
Dimensions / Weight	10.4 × 6.8 × 2.4 cm / 160g
Certification	CE

Ideal Use Cases

Distributing security camera feeds through existing cable TV wiring
Inserting custom content (DVDs, media players, live feeds) into hotel or school cable systems
Small cable TV headend setups for local community or campus broadcasting
Home AV distribution systems using coaxial cable infrastructure

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For more information on broadcast signal standards and RF modulation technology, visit the NIST Communications Technology Laboratory.

Frequently Asked Questions

Q: What type of AV source can I connect to this RF analog modulator?

A: The modulator accepts any standard composite AV source via its RCA female connectors — including DVD players, VHS recorders, CCTV cameras, media players, and set-top boxes. As long as your source outputs a standard composite video and audio signal, it is compatible with this single channel AV to RF modulator.

Q: Can I adjust the output channel frequency on this cable TV modulator?

A: Yes! The modulator is frequency adjustable across UHF channels 21–69, giving you full control over which channel your content appears on within your cable TV distribution network. The default factory setting is Channel 21 (471.25 MHz, PAL-B/G), but you can configure it to suit your specific installation requirements.

Q: Does this modulator work with both PAL and NTSC systems?

A: Yes, the Tuoying AV to RF modulator supports both PAL and NTSC video standards, making it suitable for use in a wide range of countries and with various AV equipment. Multiple sound carrier frequency options (M, B/G, I, D/K) further enhance its international compatibility.

Q: How is this modulator powered?

A: It is powered via a standard USB connection (5V @ 400mA), so you can power it from any USB wall adapter, computer USB port, or USB hub — no proprietary power supply needed. This makes it especially convenient for compact installations.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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