IOGear's new GWHDKIT11C is a bit pricey, but uses a convenient dongle format that doesn't require an available HDMI port.
Wireless Extenders - J-Tech Digital
IOGear's wireless HDMI extender embeds 5GHz technology in a USB-C dongle
Wireless Extenders - J-Tech Digital
IOGEAR - GWHD11 - Wireless Video Connection Kit for 1 TV with HDMI®
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IOGEAR's innovative Wireless HD 3D Digital Kit takes wireless home entertainment and 2 HDTV set-ups to the next level of connectivity, flexibility, convenience, and decor. It's capable of streaming uncompressed Full HD 1080p with support for the latest 3D movie content along with 5.1 digital surround sound audio up to 100 feet away within the home, through walls and ceilings for your desired setup.
Iogear Wireless 3D Digital Kit with Full HD 1080p and 5.1 Channel Digital Audio, GW3DHDKIT
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Hdbaset Transmitter
Wireless HDMI Audio/video transmitter with receiver kit. For best performance and range: place the receiver where you have a clear view between the
IOGEAR HDMI Wireless Transmitter & Receiver - Full HD 1080p - Up To 30ft - 5.1 Digital Audio - Plug & Play - Wirelessly Connect Laptop - Game Console
Extends A/V signals wirelessly from Laptop/Notebook/Tablet/Smartphone via USB-C port embedded with DisplayPort Alternate mode signal. Note: USB-C source port must support DP-Alt mode for video signal to pass through the adapter. Connect the Transmitter to a USB Type-C (Thunderbolt 3 compatible) equipped device (computer, notebook, laptop, tablet, phone) and wirelessly transmit audio/video signals to the Receiver, equipped with an HDMI output.
SIIG Type-C Wireless Extender Kit - 30m
12 Best Wireless Video Transmitters in 2024 - Hollyland
IOGEAR - GWHDKIT11C - Share Pro™ USB-C Wireless HD Video Transmitter and Receiver Kit
IOGEAR HDMI Wireless Transmitter & Receiver - Full HD 1080p - Up To 30ft - 5.1 Digital Audio - Plug & Play - Wirelessly Connect Laptop - Game Console - HDTV - Projector - GWHD11 : Electronics
Axgear 5GHz WiFi Wireless Dongle HDMI Mini Extender with Transmitter and Receiver