1-Channel HDMI & AV to RF Analog Modulator – Hotel, CATV & Cable TV Distribution

The Tuoying 1-Channel HD AV to RF Modulator is a professional-grade signal converter designed for hotel cable TV systems, CATV headends, and broadcast distribution environments. It converts HDMI (HD) or composite AV (CVBS) input signals into a standard RF output, compatible with PAL, NTSC, and SECAM television standards — making it ideal for distributing video content across existing coaxial cable infrastructure without costly upgrades.

Engineered with MCU-controlled PLL technology, this modulator delivers high frequency accuracy and carrier stability across a wide 47–870 MHz tunable range. Whether you're setting up a hotel in-room TV system, a hospitality venue, or a professional broadcast distribution network, this modulator offers the flexibility and reliability you need.

Key Features

Dual Input Support: Selectable AV (CVBS) or HDMI (HD) signal input for maximum compatibility
Wide Frequency Range: 47–870 MHz with adjustable output level and CATV/TV channel selection
MCU-Controlled PLL: Ensures high accuracy and stability of video carrier and audio subcarrier
Selectable Audio Subcarrier: Choose from 5.5 MHz, 6.0 MHz, or 6.5 MHz to match regional broadcast standards
RF Loop Input: Pass-through RF input for seamless integration into existing cable networks
Auto Memory at Power Outage: Settings are retained even after power loss
LED Channel Display: Clear front-panel LED display for easy channel number identification
Double Sideband Modulation: Supports non-adjacent channel usage for greater flexibility
CE Certified: Meets European conformity standards for safety and performance
Universal Power Supply: 100–240V AC, 50–60Hz for worldwide use

Technical Specifications

Parameter	Specification
Frequency Range	47–870 MHz
Output Level	90 dBμV (adjustable)
Video Input Level	0.8 Vpp (0.4–0.8 Vpp adjustable)
A/N Ratio	-15 ± 2 dB
Video S/N Ratio	55 dB
Visual Carrier Freq. Accuracy	±5 KHz
Video Frequency Response	±2.5 dB (50 Hz to 4.2 MHz)
Output Return Loss	14 dB
Spurious Rejection	50 dB
Audio Frequency Deviation	±50 KHz
Audio Frequency Response	±2 dB
HD Input Resolution	480i/p, 576i/p, 720p, 1080i, 1080p
Video Input Impedance	75 Ω
Audio Input Impedance	600 Ω
Output Impedance	75 Ω
Input Voltage	100–240V AC, 50–60Hz
Certification	CE
Country of Origin	Made in China

Who Is This For?

This modulator is purpose-built for hotel AV managers, CATV system integrators, broadcast engineers, and AV installation professionals who need a reliable, cost-effective way to distribute HD or SD video content over existing RF coaxial cable networks. It's especially suited for:

Hotel & hospitality in-room TV systems
CATV & cable TV headend distribution
Hospital, school, or office building video distribution
Professional broadcast and AV integration projects

Related Products You May Like

Frequently Asked Questions

Q: What input sources does this HDMI to RF modulator support?

A: This 1-channel modulator supports two selectable input sources: a standard composite AV (CVBS) input and an HDMI (HD) input. You can choose between them depending on your source device — making it compatible with everything from legacy DVD players to modern HD set-top boxes and media players.

Q: Which TV standards are compatible with this RF modulator?

A: The modulator is compatible with PAL, NTSC, and SECAM television standards, and covers a broad frequency range of 47–870 MHz. This makes it suitable for use in many countries and regions worldwide, including Europe, North America, Asia, and beyond.

Q: Can this modulator be used in a hotel or CATV distribution system?

A: Yes, this unit is specifically designed for hotel in-room TV systems and CATV/cable TV headend distribution. It features an RF loop input for integration into existing cable networks, adjustable output level, and auto memory at power outage — all essential features for professional AV distribution environments.

Q: Does the modulator retain its settings after a power outage?

A: Yes. The unit includes auto-storage functionality that retains all programmed channel and frequency settings even after a power loss, so your system resumes seamlessly without manual reconfiguration.

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.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.