7 Best HDMI Modulators: What Are They & Why Do You Need One?

New generation TVs, consoles, or monitors offer limited connectivity options as old connectivity ports such as analog audio/video ports aren’t useful these days. In most media devices like Playstation and Xbox, you will find the best HDMI modulator as the primary connectivity option. Thus, connecting old TVs or monitors to these new-gen devices becomes tricky.

In such a case, you will need the best HDMI modulator to bridge the gap between traditional I/O ports and HDMI inputs. Since the best HDMI modulators are not exactly popular, you may now know what to check while you are buying one.

Buying Guide to Best HDMI Modulator

You must own an outdated TV or monitor that you want to connect with your media device if you need this connector. As such situations aren’t that common, most users don’t have an HDMI modulator.

As a result, making a decision may be difficult to choose a product from the market due to the scant or nonexistent information regarding the kind of HDMI modulator you might require or the one that is appropriate for your application.

However, we have covered the same in our buying guide for the best HDMI modulator. Here, you may find all the information you could need to make the best HDMI modulator purchase.


Connectivity Options

The first thing you should consider before purchasing an HDMI modulator is whether or not it can fulfill your needs. You will have to check a device’s available input and output ports. Also, you need to ensure that it allows the same connection type you want, whether RF to HDMI or vice-versa.

Most basic options in the market do not support a reverse connection. Thus, even if your device offers the necessary ports, you should check its functionality and supported input and output formats. 

Usually, you will find 2 types of HDMI modulators: RCA-based and RCA-HDMI combined. The RCA-HDMI modulators are generally more useful since they offer a more versatile connectivity range.

Included Accessories

Along with the modulator, you will need other items, such as cables, connectors, power adapters, and more. Without these essential peripherals, you won’t be able to install the device, let alone use it for connections. Many brands that produce these modulators offer all necessary accessories included with the box.

Since you might be paying a large sum for an HDMI modulator, you should ensure that you get everything you need in the same box. It is ideal for quicker installations and saves you the trouble and expense of buying additional accessories later. 

The most important accessories for the best HDMI modulators are the installation brackets, connection cables, and a power adapter used to power the device.

Supported Video Quality

Video quality is also important, especially if you buy the best HDMI modulator for entertainment purposes. Suppose you are putting yourself through the trouble of buying a separate device so that you can connect a multimedia device to an old TV or monitor. In that case, you should ensure that it offers a decent output quality.

If the device you pick up does not offer a decent quality output, you won’t be satisfied with the device’s performance. And since these devices are expensive, you should ensure that you get a satisfying performance before making your purchase. 

For that, simply make sure that the HDMI modulator you are buying supports Full HD 1080p resolution output since most modern multimedia devices are capable of this resolution. And if you are on a budget, the best choice would be an HD 720p HDMI modulator.

Installation and Application

Even if the HDMI modulator of your choice satisfies all the criteria mentioned above, it is still not the best pick for you if you cannot install it. You may face problems such as loose connections, damaged cables, unreachable devices, and many more without proper installation.

Therefore, check out the device’s size and create a hypothetical installation plan before buying the unit. This should give you an idea about the available space near your TV or monitor and check whether the device fits in the space or not. 

Also, you need to know whether the device applies to your connection. Check the power options, onboard controls, and even the remote control feature, if available.

List of Best HDMI Modulators

ImageModelUnit SupportsPriceRatings
Aoe Spy HDMI Modulator Coax Adapter1080PCheck Price3.7/5
PVI Pro Video Instruments VECOAX MINIMOD-2 HDMI1080PCheck Price4/5
Multicom 1080P HDMI to Coax Digital Modulator1080PCheck Price4/5
Broadcast HDMI to Coax Modulator1080PCheck Price3.7/5
Aoe Spy RF Modulator HDMI RCA Coax Converter720p, 1080i, 1080pCheck Price3.7/5
Fosa Digital RF Modulator AV1080PCheck Price4.6/5
Multicom 1080P HDMI Digital Modulator      –Check Price4/5

Best HDMI Modulator


Aoe Spy HDMI Modulator Coax Adapter


Best Features

  • 1. Unit supports up to 1080p video resolution.
  • 2. Offers both HDMI to RF and HDMI to VHF analog conversion.
  • 3. Features HDMI, USB, and RF ports.
  • 4. You can customize brightness and contrast and use the zoom feature.

Check Price

The Aoe Spy HDMI modulator is one of the most popular choices. This is a well-known product in the market since it is highly compatible and compact.

We have the HDMI RF Modulator and Coax Adapter from Aoe Spy at the top. The 1080p video resolution is supported by this modulator, which is great considering the price point. 

You can use the Aoe Spy HDMI RF Modulator with almost all standard media devices such as FiresStick, Apple TV, Roku, and even gaming consoles such as PS4, PS5, Xbox, etc. As for the output, it supports the traditional RF output needed for old TV models like CRT TVs.

You will also get HDMI to coaxial cable adapter functionality in this device that can convert HDMI signals into VHF analog output. With the HDMI modulation, you will have additional options such as amplitude control, brightness and contrast control, and zoom function. The Aoe Spy HDMI RF Modulator also supports remote access, which makes it even easier to use.

  • The device supports remote access.
  • A compact and portable option.
  • One of the cheaper alternatives for HDMI modulators.
  • More features should have been included.

PVI Pro Video Instruments VECOAX MINIMOD-2 HDMI


Best Features

  • 1. Premium choice for an RF HDMI modulator.
  • 2. Supports Full HD 1080p resolution.
  • 3. Up to 19.5 MHz frequency support.
  • 4. The device supports Dolby audio processing.
  • 5. Can be combined with an antenna or cable connection.

Check Price

Many premium options are available in the market for an HDMI modulator. Out of which, the following option from VECOAX is a great pick based on its features.

We have the VECOAX MINIMOD-2 HDMI modulator. This is quite a premium option compared to other choices we have included on this list. But, it is certainly a good fit if your requirements are similarly high. 

First, you will get up to 1080p resolution support on this device which makes it ideal for all applications. And using this device is as simple as plugging the cables into the right ports.

The Dolby audio capability of the VECOAX MINIMOD-2 RF HDMI modulator is a fantastic feature. It is not necessary to compromise audio quality to play games or watch movies on an outdated CRT TV and get high-quality video output.

You can watch your preferred broadcast channels using the VECOAX MINIMOD-2 HDMI modulator with an antenna or a standard TV cable connection.

  • Highly versatile HDMI modulator.
  • Suitable for all types of applications.
  • Supports both audio and visual I/O of high quality.
  • It ought to have been a little more within reach, given other options.

Multicom 1080P HDMI to Coax Digital Modulator


Best Features

  • 1. Unit supports up to 1080p video resolution.
  • 2. 30 MHz to 951 MHz frequency support.
  • 3. Supports AC3 audio quality.
  • 4. Supports 1080p resolution from channel 2 to 135.
  • 5. Perfectly clean and clear image quality.

Check Price

Now that you are familiar with cheaper and premium options, let us focus on a few choices that cover the middle ground. The following option from Multicom offers many great features within a budget-friendly price tag.

The Multicom HDMI modulator is the best option in this price range. Within such an affordable price range, you will get support for Full HD 1080p video resolution along with AC3 audio output, which is pretty common nowadays on high-quality video content. The Multicom HDMI modulator allows you to distribute your HDMI content over any channel from 2 to 135.

The Multicom HDMI modulator does not compromise even a bit regarding video quality. You will get a clean and clear image quality, even for fast-paced video content like sports. 

With the Multicom HDMI modulator, you won’t need set-top box installations anymore. This HDMI modulator is compatible with almost all North American and Mexico systems.

  • A small informational LCD is included.
  • Removes the need for media players and set-top boxes.
  • Great device at this price point.
  • Remote access is not available.

Broadcast HDMI to Coax Modulator


Best Features

  • 1. Unit supports up to 1080p video resolution.
  • 2. 57 MHz to 803 MHz frequency support.
  • 3. It supports AC3 audio processing.
  • 4. Compact LCD at the front.
  • 5. It comes with a year of warranty.

Check Price

Coming back to the premium options for an RF HDMI modulator; we have the following choice from Thor Broadcast. It is one of the most premium options because of its wide connectivity.

We have the Thor Broadcast HDMI to Coax modulator. This unit will certainly set you back a significant sum since it is a high premium option, but you will also get many great features, which may be the only compatible option in your case. 

The Thor Broadcast HDMI to Coax modulator allows Full HD 1080p video resolution to all TVs and offers input and output ports for HDMI and RF connections.

Additionally, the front of the Thor Broadcast HDMI to Coax Modulator has a small LCD that shows the current channel number for convenience. It comes with a year’s warranty coverage, giving you tranquility about the HDMI modulator’s reliability and quality.

Thus, this is an all-in-one device that also includes MPEG2 encoding along with AC3 Dolby audio processing for flawless performance.

  • Highly versatile in terms of application.
  • Features HDMI and RF connection input and output connectors.
  • An HDMI modulator is among the most dependable options.
  • Maybe overkill for basic applications.

Aoe Spy RF Modulator HDMI RCA Coax Converter


Best Features

  • 1. Unit supports 720p, 1080i and 1080p video resolution.
  • 2. Supports VHF and UHF 2 frequencies.
  • 3. One of the affordable options.
  • 4. Suitable for new-gen consoles and streaming boxes.
  • 5. Offers both modulations as well as demodulation functionality.

Check Price

Let us introduce you to yet another highly affordable option in the market for an HDMI modulator by Aoe Spy that offers similar qualities to our last pick from the brand, such as compatibility and portability.

Many users prefer buying a portable and handy device when buying additional appliances, such as an HDMI modulator. Therefore, we are including yet another compact option on our list made by Aoe Spy. 

The Aoe Spy RF Modulator and HDMI RCA Coax Converter are a combination of modulator and demodulator devices coupled in the same unit. Thus, you won’t need an additional device if you want a reverse connection between HDMI and RF.

Similar to our last choice from Aoe Spy, the Aoe Spy HDMI RCA Coax Converter is also compatible with almost all standard media devices present in the market, such as streaming boxes and gaming consoles. 

Also, this modulator is compatible with HDMI 1.3 ports and supports VHF and UHF 2 operating frequencies for up to 136 channels. This device also allows 1080i output which might be perfect for some old CRT TVs.

  • Easy to install and use.
  • Offers multiple functionalities despite a small form factor.
  • Great option considering its price range.
  • Remote access would have been great.

Fosa Digital Modulator AV


Best Features

  • 1. Unit supports up to 1080p video resolution.
  • 2. 868 MHz frequency support.
  • 3. The cheapest option for an RF HDMI modulator.
  • 4. Highly ergonomic design.
  • 5. Adjustable output levels.

Check Price

Fosa is also bringing a similar option as our last pick for the best HDMI modulator. However, the following option from Fosa is even more affordable and a great pick for those on a low budget.

If you’re unsure of the ideal HDMI modulator, you should try the Fosa Digital RF Modulator before considering other premium options. If this device works out fine for you, you will be saved from quite a loss since this device costs a fraction compared to other premium choices. 

The Fosa Digital RF Modulator supports both VHF and UHF operating frequencies, which is suitable for most applications.

You will also find support for up to 868 MHz frequency support on this device, making it perfect for basic usage. Despite being an affordable option, it has a small LCD on the front where you can see the channel number.

The overall design of the Fosa Digital RF Modulator is quite ergonomic and easy to install. The output volumes and audio/video configurations can be changed directly from the device.

  • Highly ergonomic design with digital display.
  • Suitable for a variety of gadgets, including cameras and game consoles.
  • The best option for basic requirements.
  • Devices do not support demodulation features.

Multicom 1080P HDMI Digital Modulator


Best Features

  • 1. One of the premium choices for an RF HDMI modulator.
  • 2. Supports multiple outputs.
  • 3. Up to 1080p video resolution supported.
  • 4. It comes with a 19 inches rack mounting kit.
  • 5. Front LCD panel for easy access.

Check Price

Multicom has managed to land yet another premium option on our picks for the best HDMI modulator. This option might be the best option for you if you haven’t found a compatible modulator on our list.

Finishing off our picks for the best HDMI modulators, we have the Multicom HDMI Digital 200 Encoder and modulator. Multicom HDMI Digital 200 RF modulator offers full support for 1080p video resolution and supports up to 134 channels, even with such high video quality. 

You can also select output from various options such as J.83B QAM, ATSC, ISDB-Tb, or DVB-T. The Multicom HDMI Digital 200 RF modulator also offers high-quality audio performance thanks to the AC3 audio option.

Multicom has made installing and setting the Multicom HDMI Digital 200 modulator even easier by including a 19 inches rack mount accessory kit with the package. 

A small yet viewable LCD panel is also present on the Multicom HDMI Digital 200 modulator, which greatly helps at the setup time. Even after that, the display will show you a lot of important information while using the device.

  • The modulator comes with an installation kit.
  • The LCD panel is quite helpful.
  • Supports up to 134 channels.
  • Comparatively expensive than a few similar options.

FAQs on Best HDMI Modulator

What is a coaxial cable?

A coaxial cable is a simple type of cable made up of copper material for conducting electrical current with an insulator shield covering the exterior of the cable. These cables also include a braided metal mesh that eliminates all external signal interferences that may affect signal transmission. 

You may see a coaxial cable if you have a digital cable connection for your TV at your home. If you wish to connect this cable to an HDMI TV or monitor, your RF HDMI modulator must include a port for coaxial cables.

Is a demodulator necessary with an HDMI modulator?

A digital modulator is installed to allow the transmission of high-frequency digital signals over traditional analog I/O ports. With that, you can connect digital media via a physical medium. 

A demodulator, on the other hand, works in reverse. These devices restore the original signal of the previously modulated wave. Depending upon your application, you may or may not need a digital demodulator. In the majority of cases, a demodulator is not required.

How does an HDMI modulator work?

An HDMI modulator will convert the HDMI input into RF signals. In simpler words, it allows you to connect new-gen consoles to old TVs that require an analog or RF connection. 

With a decent HDMI modulator, you can watch almost any type of HDMI-source media on old TVs or monitors without any problem. In many cases, the RF HDMI modulators are installed to watch the content with cable TV or antenna input TVs. 

Even though numerous varieties of the greatest HDMI modulators exist on the market, most of them work similarly.

Wrapping Up

If you want to purchase a gadget like the best HDMI modulator, you may have noticed, there is quite a variety available. And if you need further help, we have a buying guide to help you compare and buy the top HDMI modulator.

Check out the table and review above.

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Mark Dalio

Mark Dalio

Mark is a tech-obsessed serial entrepreneur who also enjoys reading and writing. He has a strong urge to keep learning and talking about technology, which led him to become an author. Mark has co-founded two successful startups, one of which was acquired in 2018.

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