[Nextgrid]

The problem is that putting up with this doesn't actually send a message to the manufacturer that this is not OK, so they'll just keep doing this and perfecting their malware-like techniques until it's completely unblockable without some military-grade signal jamming equipment.

Even if it can be blocked, I don't recommend anyone buy these and look for alternatives (commercial displays, old second-hand ones, https://ironcast.tv, etc)