Mod [WIP]: Wireless Redstone (MC 1.15.2 & 1.16.2 once in released for 1.15.2) : r/feedthebeast
Wireless Redstone Mod for Minecraft [1.12.2][1.11.2][1.10.2]
A way to wirelessly transmit a vertical redstone signal. I haven't seen anyone else use this idea (Works in bedrock edition not sure about java) : r/Minecraft