The Best HDMI RF Modulators for Your Home Theater Setup
Caitlin Fitzgerald Sep 10, 2023 2:54 AM
HDMI RF Modulators are devices that allow for the conversion of HDMI signals into radio frequency (RF) signals. This is useful for transmitting HDMI signals over longer distances, such as sending a signal from a media player to a TV in another room. HDMI RF Modulators are typically used to convert digital signals into analog signals, so that they can be broadcast on standard televisions. This technology is often used in home theater systems, allowing for the transmission of audio and video from a single source to multiple televisions. HDMI RF Modulators are designed to be used in conjunction with an RF amplifier or antenna system, to ensure that the signal is strong enough to be received.

Compare
No | Image | Product | Score | Check |
---|---|---|---|---|
1 | ![]() | 4K Mini DisplayPort to HDMI Adapter | 9.8 | Check Price |
2 | ![]() | HDMI Modulator RF Converter RCA Coaxial Composite VHF UHF SDR Demodulator Adapter w/Antenna in/Out & Channel Switch | 9.5 | Check Price |
3 | ![]() | HDMI RF Modulator Coax Converter VHF Demodulator HD Digital Video Input Adapter | 9.2 | Check Price |
4 | ![]() | Thor Broadcast HDMI to Coax Modulator Send HDMI Video Source | 8.9 | Check Price |
5 | ![]() | Tangxi HDMI Modulator RF Modulator | 8.6 | Check Price |
#1:4K Mini DisplayPort to HDMI Adapter
Verdict
The 4K Mini DisplayPort to HDMI Adapter is a great way to connect your Mini DisplayPort devices to HDMI-enabled devices. It is a great choice for anyone looking for an easy and reliable way to connect their devices.
Specs
The 4K Mini DisplayPort to HDMI Adapter is a unidirectional mini male to female HDMI cable converter with gold-plated braided cord. It is compatible with MacBook AirPro, Microsoft Surface ProDock, Monitor, Projector and many other devices.
What We Like
- Easy to use and install
- Compatible with many devices
- Gold-plated braided cord for durability
What We Don't Like
- Not compatible with all devices
#2:HDMI Modulator RF Converter RCA Coaxial Composite VHF UHF SDR Demodulator Adapter w/Antenna in/Out & Channel Switch
Verdict
The HDMI Modulator RF Converter RCA Coaxial Composite VHF UHF SDR Demodulator Adapter is a great device to convert HDMI digital signals into analog TV signals. It supports NTSC and PAL, and comes with a channel digital display and switchable channels, making it an ideal long range VHF/UHF signal booster amplifier modulator.
Specs
The HDMI Modulator RF Converter RCA Coaxial Composite VHF UHF SDR Demodulator Adapter comes with a F type female coax input for connection of antenna, HD TV tuner, satellite set-top/cable box, and a separate RF coaxial output for connection of TV or RF splitter to extend your digital/analog signals to other TVs. It also comes with a channel switch which will not interfere with existing players such as VCR.
What We Like
- Compatible with HDMI 1.3
- Supports NTSC and PAL formats
- VHF and UHF frequencies up to 136 channels full band
- Channel digital display and selectable switch
- Volume of audio and brightness of video is adjustable
- Comes with F type female coax input and separate RF coaxial output
- Channel switch will not interfere with existing players
- Plug and play, easy to use
What We Don't Like
- No drivers or adapters needed
#3:HDMI RF Modulator Coax Converter VHF Demodulator HD Digital Video Input Adapter
Verdict
HDMI RF Modulator Coax Converter is a great solution for those who have newer HDMI-equipped components but an older TV or video equipment. It converts HDMI digital signals into VHF analog TV signals, allowing users to achieve long distance transmission of HDMI signals and share program videos/pictures on other TVs in different rooms or farther away from the HDMI video source.
Specs
- Converts HDMI digital signals into VHF analog TV (RF) signals
- Switch the output screen up and down as well as amplitude, brightness, contrast and chroma via the remote control with the zoom function
- Outputs PAL-BG, PAL-I, PAL-DK and NTSC-M TV formats
- NOT applicable to ATSC format
What We Like
- Easy and reliable to connect newer HDMI devices to RF coax displays
- Great HDMI extender for long distance transmission of HDMI signals
- Plug and play
What We Don't Like
- Image quality will be lower than RF analog signals (more like 480p)
- Does not work under the reverse direction
- Not compatible with all TVs
#4:Thor Broadcast HDMI to Coax Modulator Send HDMI Video Source
Verdict
The Thor Broadcast HDMI to Coax Modulator is a cost-effective and efficient way to send HDMI video sources up to 1080p to all TVs as HD CATV QAM or ATSC Channels. With its powerful and easy to use GUI, the device is a great choice for a wide variety of applications.
Specs
- Integrates HD MPEG2 encoding with AC3 Dolby Audio with an internal digital modulator.
- Converts HD audio/video signals from any device into DVB-C/T/ATSC/ISDB-T RF output.
- Supports any HD source with the following video resolutions: 720p, 1080i, 1080p.
- Easy to use GUI for control over the unit.
What We Like
- Cost-effective solution.
- Simple setup and operation.
- Compatible with a wide variety of sources.
- High-quality video and audio output.
What We Don't Like
- No support for 4K video resolution.
- Might require additional hardware or software for certain applications.
#5:Tangxi HDMI Modulator RF Modulator
Verdict
The Tangxi HDMI Modulator RF Modulator is a great device for anyone looking to convert audio and video signals into a RF signal. It is easy to use, offers adjustable levels, and is durable and portable. It also does not require a driver to be installed, making it a convenient and fast installation.
Specs:Specs
- VHF or UHF dual working frequency
- Plug voltage 90‑240V
- AV output level adjustable
- Supports 1080P, 1080i, 720P, 576P, 576i, 480p resolutions
- Optional output channel
- HD Multimedia Interface and AV input
- Supports PAL or NTSC TV format output
- Made of high quality ABS and metal materials
- No driver installation required
What We Like
We like that the Tangxi HDMI Modulator RF Modulator is easy to use and adjustable. It also has a great connection and offers multiple resolution support. It is also made of high quality materials, making it durable and able to be used for a long time. Additionally, it does not require a driver to be installed, making it a convenient and fast installation.
What We Don't Like:What We Don't Like
We don't like that the Tangxi HDMI Modulator RF Modulator is only available in a F Female connector. It would be nice if it had a variety of connector sizes to choose from.









Last update on 2023-09-30 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
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Best HDMI RF Modulators for Home Entertainment Systems. Image source: Amazon.com
What is an HDMI RF Modulator?
An HDMI RF modulator is an electronic device which converts an HDMI signal into a radio frequency (RF) signal. This signal can then be transmitted over coaxial cable, making it possible to connect HDMI devices such as Blu-ray players, game consoles, and computers to older televisions that don't have an HDMI input.
What type of output does an HDMI RF Modulator provide?
An HDMI RF modulator produces an RF signal with a channel number. This channel number can then be tuned in by the television set, allowing the HDMI signal to be viewed.
What advantages does using an HDMI RF Modulator offer?
Using an HDMI RF modulator offers several advantages, including being able to connect HDMI devices to older televisions without requiring the installation of a new HDMI-capable TV. Additionally, an HDMI RF modulator provides a simple and cost-effective way to share an HDMI signal between multiple televisions.
What type of devices can be connected to an HDMI RF Modulator?
An HDMI RF modulator is compatible with many devices, including Blu-ray players, game consoles, computers, and media streaming devices. Additionally, it can be used with devices that output an audio/video signal, such as VCRs and DVD players.
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The Best HDMI RF Modulators to Buy in 2023. Image source: Amazon.com
I think 4K Mini DisplayPort to HDMI Adapter is one of the best HDMI RF Modulators available on the market. It has a wide range of features that make it very appealing to consumers. It's also very budget-friendly, so it's great for those who are looking for a quality product at an affordable price. Overall, I highly recommend it as the best HDMI RF Modulator.