The operation of the device is remarkably stable even at distances of up to 100 metres, which excludes the risks of lag or poor quality video output. This is achieved thanks to the built-in antennas on both the receiver and the transmitter that enable quick pairing and added stability.
Can lag a bit when synching devices.
The Hollyland MARS 300 PRO is an excellent HDMI extender and it is truly a professional-grade model. Ideal for broadcasting Full HD video at distances well-exceeding household use, it will prove to be an invaluable asset if you plan to use it outdoors.
Wireless transmitter and receiver
91 m
1920 x 1080 (Full HD)
Transmitter: HDMI input, HDMI loop-out, 1 х 6-16V DC, Micro USB
Receiver: 2 x HDMI output, 1 х 6-16V DC, Micro USB
OLED screen, Receivers with built-in antennas, 5-12V wide voltage power supply, Multi-functional clickable thumbwheel switch
1 year
A simple and convenient plug-and-play adapter. No need to connect to a network (Wi-Fi). The extender supports video resolutions up to Full HD 1080p. An ideal solution for old generation monitors.
A small operating radius.
Easily connect an HDMI transmitter to an HDMI output or USB-C port on a laptop, MacBook, or Chromebook without the need for an additional power cable. Sharing content across platforms will become much easier.
Wireless transmitter and receiver
5 m
1920 x 1080 (Full HD)
Transmitter: HDMI input, Micro USB
Receiver: HDMI output, Micro USB
Plug-and-play, Mirror mode, Extend mode
2 years
Unlike other devices in the same price range, this tiny dongle is capable of delivering 4K videos and media directly to your screen. The Android and iOS compatibility, on the other hand, allows for sharing your screen onto a TV or a digital screen with an HDMI port.
The manual is a bit inaccurate.
The AT-Mizhi has a remarkably quick pairing time, thanks to its Plug and Play design. Likewise, the sound and the video quality of this 4K-capable device is impeccable, which is really great, considering the modest price tag of the whole kit.
Streaming receiver (compatible with Android, iOS, macOS and Windows devices)
10 m
3840 x 2160 (4K Ultra HD)
HDMI output, Micro USB (USB cable included)
Plug-and-play, Mirror mode, Extend mode
1 year
This transmitter and receiver set will help you share the video signal between your devices. The built-in high quality chip will prevent delay and lagging. The extender is of small size and doesn't require any additional drivers or software.
The HDMI cable is rather short.
Enjoy the truly pure HDMI signal with virtually no latency, from a small screen to a large screen, wirelessly. This extender supports the simultaneous transmission of video and audio to a projector or display. A great solution for home or office.
Wireless transmitter and receiver
50 m
3840 x 2160 (4K Ultra HD)
Transmitter: HDMI output, Micro USB
Receiver: HDMI/VGA input, Power supply port
Plug-and-play, 2 external antennas, 2 x USB-C cables, 1 x HDMI/VGA cable, Mirror mode, 1 x USB-A cable
30 days
Compact as it is, the AIMIBO G48 4K wireless HDMI boasts a high build quality and a wide range of applicability. The functional wireless HDMI transmitter and receiver will allow casting to two displays simultaneously.
USB charger plugs are not included in the box.
Easy to set up in just a couple of minutes, this wireless HDMI transmitter and receiver will ensure no lag transmission for excellent quality video performance. It is perfectly suited for streaming various media to your TV.
Wireless transmitter and receiver
50 m
3840 x 2160 (4K Ultra HD)
Transmitter: HDMI output, Micro USB
Receiver: HDMI input, Power supply port
Plug-and-play, 2 x external antennas, 2 x USB C cables, 1 x Mini HDMI adapter, 1 x Micro HDMI adapter, 1 x HDMI cable, Mirror mode
1 year
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Hollyland MARS 300 PRO
Designed for Full-HD Broadcasting
The Hollyland MARS 300 PRO is one of those wireless HDMI models that grabs your attention with their look but in this case, there is a tad bit more to it than just the looks.
To start off, in contrast with other similar devices of the same category, the Hollyland MARS 300 PRO features an OLED screen. which is a bit unusual for a wireless device such as this. Nevertheless, the transmitter has it, and the side screen will conveniently show you its power status, the results of the channel scan, as well as the video input mode and the number of the selected channel.
When it comes to the numbers, the Hollyland MARS 300 PRO has little to no competition, thanks to its long-range transmitter that is capable of transmitting the signals on distances of up to 91 metres without breaking a sweat. Owing to this, the MARS 300 PRO is a good contender for the role of a Full HD wireless HDMI unit that works with multiple formats without any noticeable lag.
As for the actual video output you can select different quality presets from 480p all the way to 1080p with little to no loss in quality. To add more, both the transmitter and the receiver are equipped with a high-powered antenna that enhances an already strong signal in order to eliminate any potential frequency interference. For added convenience, the cooling fan’s speed can be adjusted using the provided controls, which will come in handy when you are recording close to a microphone and silent operation is preferred.
Works From Batteries and Power Outlets
Moving away from the digital specifications of the appliance, it is important not to omit the interfaces included in the package. Firstly, both the transmitter and the receiver feature HDMI outputs, as expected. However, the receiver has 2 HDMI ports and that allows for connecting two screens or monitors at the same time.
Power-wise, both units can be powered via a 6-16 V DC connection that enables the use of 12 V battery packs. Conversely, you can always hook up the gadgets to an AC power socket using a USB adapter and a micro-USB cable. Fortunately, the transmitter and receiver have a built-in micro-USB port.
To wrap things up, the Hollyland MARS 300 PRO is, without a doubt, a professional-grade HDMI transmitter that will be a good option for users that need a device that can broadcast a Full HD signal on great distances without the need to run cables. The stability of the connection as well as its long-range reach makes the MARS 300 PRO a go-to solution for broadcast-related tasks.
Additional Info
| Last updated price | £445.00 |
| Stock | In stock |
| ASIN | B08D9DKD8K |
Marmitek STS1
Spread the Media
No need for a Wi-Fi connection or annoying cables to enjoy high quality entertainment on your smart devices. The Marmitek wireless HDMI extender spreads your multimedia across multiple platforms – and does it without any loss in quality.
Let’s start with the fact that this extender supports the Full HD 1080p/60fps. Enjoy your films, TV shows, or video games just as they were intended to – and without cabling up your home. No compromises, no let-downs; only the perfect quality for all of your home entertainment.
The Marmitek can be easily connected to an HDMI output or a USB-C port on a laptop, MacBook, or Chromebook. Save up on an extra power cable; the USB port will keep the device going. This extender is an ideal solution for older gen monitors, as it doesn’t cause compatibility issues. Feel free to share the content across various platforms at your home.
A small note if your house or flat is bigger than average: this extender has somewhat of a limited range. Keep it in mind if you want the top notch coverage in all rooms and on all floors. Other than that, the data transfer is reliable and free of issues.
Your Office Assistant
What if you need an HDMI extender for office presentations? The Marmitek can handle this task with no problem. Plug it in – and unlock the content sharing between multiple meeting rooms. Why not make your office routine slightly more advanced and comfortable?
The extender can be quickly installed on pretty much any monitor or TV screen that has an HDMI input. Great if you have mere minutes to prepare for an important presentation. Don’t waste time – connect this device, and you’re all good. Your office laptop can now serve as a full-fledged media centre, with you sharing the content wirelessly.
Is this device hard to set up? Actually, no, and it will take about 5 minutes if you do everything right. The manufacturer’s directions suggest connecting the transmitter/receiver directly to the mains. This is due to the fact that extension cables can affect the signal quality.
Overall, this HDMI extender by Marmitek is a universal media transfer device that doesn’t require cables or Wi-Fi. Use it at home for gaming or watching TV – or make it your number one assistant with office presentations.
Additional Info
| Last updated price | $0.00 |
| Stock | In stock |
| ASIN | B09T72BYBL |
AT-Mizhi (WXJSQ0330)
The Smallest 4K-Capable Extender
The AT-Mizhi wireless HDMI display adapter is yet another dongle-like HDMI extender that can be used with a wide variety of different monitors, digital screens, and TVs. That being said, compactness is merely a feature of this model and not its main selling point.
The main factor that makes this affordable HDMI extender valuable among other products included on our list is, of course, a 4K (3840 x 2160) resolution that puts it miles ahead of simple Full HD. But how exactly is it capable of transmitting such a high resolution without issues? Well, that is where we need to take a look at what is inside of the unit.
When you take a first glance at the transmitter, it doesn’t look like there’s much going on. However, that first impression is deceiving. The main thing that separates this particular dongle from the competition is the Wi-Fi support that gives it an edge when it comes to data throughput and how much more it can process in seconds. This wireless module enables the receiver to broadcast the high-quality video feed directly to large TVs and screens without a hitch.
Compact and Powerful
Another thing that is convenient here is the size of the whole package. Measuring only 21.2 x 15.6 x 2.3 cm in size, the device is extremely compact, light, and easy to carry around, which makes it an optimal choice for presentations or for a TV cinema projector. Likewise, the device will work excellently with laptops and computer monitors that feature an HDMI port.
Compatible with both Android-based phones and iPhones from Apple, the AT-Mizhi can be used to broadcast media directly to your TV, computer screen or laptop monitor with ease. What is really good about this setup, however, is that it doesn’t require you to install any external applications. Simply turn on the Wi-Fi, pair the appliance with your mobile gadget and you will be ready to stream. The only caveat of the system is that its maximum effective range is limited to only 10 metres.
Last but not least, the appliance supports both 2.4 GHz and 5 GHz wireless bands, which ensure that the transmitted signal won’t be interfered with by other devices or gadgets. Finally, the AT-Mizhi is an excellent budget-friendly wireless HDMI extender that works flawlessly with high-definition TVs, thanks to its reliable connection and 4K resolution support. So, if you are looking for the best bang for your buck, there is little doubt about it - the AT-Mizhi is the right model for that.
| Last updated price | £26.99 |
| Stock | In stock |
| ASIN | B086JYHY6M |
Yehua Q5R1
Widely Compatible
If you want to share the HDMI video signal between your smart devices – but don’t want the Wi-Fi or cables – the Yehua wireless transmitter might be your thing. High-quality and easy in use, it will surprise you with the crisp and clear picture plus the boosted transmission range.
To begin with, this extender supports the 4K (3840 X 2160) video resolution, as well as the 1080p/720p format. The final outcome will depend on the video’s original resolution. What’s more, the upscale chip effectively prevents the lags and delays that can spoil your viewing session. Stream the newest films and TV shows without the freezing frames, on any device. Video games, 3D videos, and presentations are all supported by the Yehua.
As for the compatible devices, you can use it with anything from your PC or laptop (Mac included) to PS4/5, Switch, or Satellite Box (and more). This practical extender can be utilized for a wide variety of work or entertainment needs.
Now to the range of this device, which is up to 50 m in the open – and 10-20 m through a single wall. Keep in mind, though, that the HDMI cable is rather short, which could be inconvenient for some users.
Plug & Play Device
A big pro of this HDMI extender is that it’s a plug-and-play model. No complex software or drivers to install; all you have to do is connect the receiver’s HDMI/VGA port with the HDMI/VGA cable right to the HDMI-enabled device. Use the extender out of the box and start sharing video content to all of your compatible gadgets. Of course, there are the manufacturer’s instructions on how to set everything up in case you need them.
No clutter at your home or office thanks to the Yehua. Forget the ever-present cables you trip over – and enjoy the wireless transfer from the small to the big screen. The video and audio will stay synced when shared to a projector or display. Should something go wrong, simply change the PC audio output mode to “EZCAST”.
This extender is not only versatile but also very portable. It’s probably even smaller than you’d expect and can be taken to work or on vacation easily. With that in mind, it’s sturdy enough to be reliable and not break on you in just a few months’ time.
Summing up, the Yehua HDMI extender fully supports your home or office video sharing needs, transferring the signal without the loss in quality.
| Last updated price | $0.00 |
| Stock | In stock |
| ASIN | B0B2JPD2B4 |
AIMIBO G48
Enjoy High-Quality Video Content
If you are looking for a functional wireless HDMI that will take little storage space while boasting a wide range of applicability, opt for the AIMIBO G48. This 4K HDMI transmitter will allow you to watch your favourite content on a large screen and even cast it to 2 screens simultaneously. The transmitter unit has an HDMI output and a micro USB port, and you can connect it to your video camera, DV machine, laptop, PC or set-top box and many other devices. Equipped with a power supply port and an HDMI input, the receiver is easy to connect to your HD projector, monitor, or HDTV.
In addition to the transmitter and receiver, the package includes 2 antennas and an HDMI cable for the receiver, a couple of USB-C charging cables, a Mini HDMI and a Micro HDMI adapter and a user manual. Note that a USB charger plug is not included in the box, though you will need one for charging the device before use. The good news is, it will only take 8-10 seconds for the receiver and transmitter to sync and no software, application, or driver is required for that.
To ensure excellent video quality, the device supports 4K Ultra HD native resolution, so you will be able to enjoy HD movies and series as well as live sports events and other video content from Prime Video, Netflix, Sky Go, BT Sport, and many other apps.
For Home and Office Use
Speaking of the unit's maximum transmitting range, it is around 50 metres, however, if there is a wall between the transmitter and the receiver, it may be shortened to 10 metres. Still, the kit is a real find in terms of portability. It is lightweight and easy to carry around, so you can take it to your office to make your presentation more engaging. The item will come in useful at conferences and meetings, as well as for home education and entertainment. We would also like to mention that the parts of the set are made of high-quality durable material, making it strong enough to serve you for years.
To put it in a nutshell, easy to set up and use, the AIMIBO G48 wireless HDMI set can be used at home for watching educational programmes, breathtaking movies and engaging shows and at work while presenting your new project at a meeting or conference. The devices are so small and compact you can put them in your bag and bring them to your office.
| Last updated price | £129.99 |
| Stock | In stock |
| ASIN | B09KPVWPJS |
What Is a Wireless HDMI?
As many of you probably know, an HDMI cable is used to transfer high-quality digital video and audio data. But what to do if you want to connect devices that are placed at a considerable distance from each other—on different floors or in different rooms—and connecting them by wires is simply impractical? In cases like this, a wireless HDMI system (also called a video sender) will be a perfect solution.
More often than not, the video sender consists of a transmitter and a receiver to transfer images and sound from a PC, Blu-ray player, console, or gaming station to the TV screen, monitor, TV projector, or other similar appliances. Standard HDMI extenders usually use a Wi-Fi connection that is powerful enough to handle Full-HD resolution and in some cases even 4K with ease.
For those of you having a real problem organising piles of HDMI cables we recommend you also pay attention to one of the HDMI Switchers & Splitters that we look at in our other review.
You may also be interested in checking our review on projectors or new cutting-edge TV sets to free up more room.
What Features to Compare
Data Transmission Technology
When choosing a wireless HDMI system, first of all, you should consider the type of data transmission technology used. As a rule, the market offers the following types: wirelessHD, WHDI, and Wi-Fi. What differs them is: the operation at different frequencies, transmission range, and the ability to transmit signals through objects and obstacles.
For example, the wirelessHD technology allows you to transmit high-quality video and audio, but it has a limited transmission range, therefore it is best used in places with minimum obstacles. WHDI and Wi-Fi technologies, in turn, boast a high transmission range and can transfer signal through walls and other objects, making them ideal for large houses. That being said, you should also consider the possible signal power loss when transmitting the signal over long distances.
Video and Audio Transmission Quality
The quality of video and audio signal transmitted is also an important parameter when deciding on a specific wireless HDMI system. We recommend you to make sure that your source and output devices are capable of supporting up to 1080p video resolution for the best visual experience and utilising the full potential of your device for wireless transmission of HDMI stream. It is worth noting that some models of wireless HDMI systems can support 3D video transfer, which will definitely come to liking to many lovers of 3D movies. As for the audio signal, the best devices are those supporting 5.1 and 7.1 channel uncompressed surround sound, which is a de facto standard for the audio of Full HD and Ultra HD movies. With that, HDMI models supporting mobile devices as signal sources perform the audio transmission in the format supported by your digital mobile device.
Operating Range
An operating range is crucial to know when it comes to digital signal transmission from the transmitter to the receiver without the signal loss. If you're looking for an HDMI kit to transmit video and audio between devices located on different floors or at a large distance, then we suggest you opt for video senders with an operating range of at least 100 feet or more. In the meantime, if the source and receiver are located close to each other, and there is no need to space them far apart, you can go for a model with an operating range of up to 30 feet.
Interfaces and Compatibility
Typically, all transmitters and receivers included in a video sender kit have HDMI input and output ports to pair with the source and receiving devices. The more such ports are available on the kit, the more devices it can wirelessly connect. Apart from the main HDMI ports, some models offer Mini USB and USB auxiliary ports, as well as power connectors and 3.5 mm ports for your headphones. It is worth mentioning that pairing source devices with receiving ones using the kit may be not only an issue of physical ports available, but also of the operating system installed on your host/source device. However, if you use a device other than a PC, laptop or tablet PC as the source, the OS installed is not so important because video senders can be used with almost any device that supports a wireless HDMI connection.
FAQ:
Q: What is a Wireless HDMI?
A: A wireless HDMI may either refer to the streaming technology or be used as a collective name for the devices that use this technology. Nowadays, in most cases, the term is used for the devices utilising this technology. These devices are designed as data senders (sources) or kits and include a data sender and a receiver. The senders are usually equipped with one or more HDMI inputs to source the original signal and provide synchronisation with receivers, while the latter are equipped with an HDMI output to connect to output devices.
Q: What are the benefits of using Wireless HDMI devices?
A: The main benefit of using a wireless HDMI data transfer is that it rids you of the need to lay out cables to connect a source to a receiver, something that may come in handy in dwellings that have lots of cabled devices. More to that, it may turn out to be the only option in cases when the source and receiver are placed more than 20 metres away, preventing the degradation of signal quality.
Q: Is it true that different wireless HDMI devices may deliver different performance?
A: Yes, it is. Even though all of these devices work based on the same principle, they may deliver different performance due to different technology used. While Wi-Fi is the most commonly used transmission technology, you can find models using proprietary radio technologies that are distinguished for a higher carrier frequency, such as GigaXtreme, WHDI, HDbitT, etc. What's unique about them is that they are built with specific needs in mind—a higher data bandwidth, capability of transmitting data to two or more receivers from a single source, and so on. Therefore, different wireless HDMI devices may differ in maximum range and bandwidth of data transfer. To know which one will suit you, make sure to check the specs of the device that you plan to connect it to and the supported video formats. For example, the transmission of 1080p or Full HD video requires higher bandwidth than 1080i or 720p.
Q: What are the other differences between wireless HDMI devices?
A: To be honest, not many. Having said that, they can be produced in a wide range of sizes, ranging from quite bulky (almost a gaming console size) to very compact and portable ones, which can be carried in a pocket. Besides that, they may also have some additional manufacturer-specific features.
Q: Are there any limitations of Wireless HDMI for wired HDMI transmission?
A: The main limitations for devices of this type usually are: transmission range, data transmission bandwidth, and a number of devices that can be used to transmit the media stream to and synchronise with simultaneously.
Sources:
1. Andy Betts Wireless HDMI: What It Is and Why You Need to Start Using It, MakeUseOf. November 5, 2015.
2. Bert Markgraf How Does Wireless TV Work? Chron.
3. Wireless HDMI, Wikipedia. September 23, 2016.
4. THE WIRELESS HDMI GUIDE, Airtame.
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