Lemorele G57L Wireless HDMI Kit: features, specs and who it suits

The Lemorele G57L is a wireless HDMI extender kit: a small transmitter plugs into a video source, and a receiver plugs into a screen. The picture travels between them without an HDMI cable running across the room, which suits meeting rooms, classrooms and living rooms where cabling is awkward.

How the kit works

The transmitter connects to the HDMI output of a laptop, set-top box or Blu-ray player. The receiver connects to the HDMI input of a TV, monitor or projector. Lemorele says it is plug and play and needs no software installation. Each end draws power through USB-C, and the kit includes two USB-C cables, along with an HDMI extension cable and a user manual.

2.4 and 5GHz dual-band, and the 164 ft range

The kit uses 2.4GHz and 5GHz bands and switches between them automatically, according to the brand. The 5GHz band typically carries more data with less interference from household devices, while 2.4GHz tends to travel further through obstacles. Lemorele rates the range at up to 164 feet (50 metres). That is an open-space figure: Lemorele itself notes that walls and obstacles can reduce distance and speed, so a clear line of sight is best.

1080P at 60Hz

The kit supports 1080P Full HD at a 60Hz refresh rate. That is the standard resolution for most presentations, documents and films, and 60Hz means motion looks smooth. It does not mention 4K, so if your source and display are 4K, expect the link to carry 1080P. Lemorele describes the video as uncompressed; check the manual for details on latency, which matters for fast games or tight audio sync.

Up to 8 transmitters to 1 receiver

One feature is the ability to use up to eight transmitters with a single receiver. In a meeting room, each person can plug in a transmitter and share their laptop on the same large screen without swapping cables. Lemorele says extra transmitters can be bought separately and that adding more connections may slightly shorten the range.

Where it fits

Typical uses include:

• Showing a laptop on a classroom or boardroom display.
• Sending a set-top box or Blu-ray player to a TV across the room.
• Presenting while moving around, instead of standing next to the screen.
• Travel setups where cables are a nuisance.

What to check before you buy

• Ports: confirm that your source has an HDMI output, and that your display has a free HDMI input. Laptops with only USB-C may need an adapter.
• Resolution: the link is 1080P, so check whether that suits your screen.
• Distance and walls: plan for a clear path between the two units.
• Power: each unit needs USB power, so check that a charger or port is within reach at both ends.
• Extra transmitters: if you need several, check which models are compatible.
• Protected content: some streaming services restrict output; check the manual for any limits.
• Wi-Fi crowding: busy offices and apartment blocks can have crowded bands.

The short version

• A wireless HDMI transmitter and receiver kit, model G57L, from Lemorele.
• 1080P at 60Hz over 2.4/5GHz dual-band, rated up to 164 ft (50 m) in open space.
• Plug and play, with no software to install.
• Supports up to 8 transmitters to one receiver; extra transmitters are sold separately.
• Includes a transmitter, receiver, HDMI extension cable, two USB-C cables and a manual, plus a 1-year warranty.

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