For HDMI-only 4K/30fps video transmission, the Hollyland Pyro H Dual HDMI Wireless Video Transmitter is the ideal choice.
It features transmission over dual 2.
4 GHz and 5GHz frequency bands, and one transmitter can support up to four receivers for collaborative monitoring.
Delivering high-quality, detailed images, it has a 1,300ft (400m) LOS range and impressive latency as low as 60ms.