When I was a kid, I used to have a radio.
A radio that had a battery pack.
A transmitter that had power and a receiver that had an antenna.
That’s how I first learned about wireless.
It’s a pretty straightforward process to make your own wireless router.
First, you’ll need a wireless device, like an Arduino or Raspberry Pi.
Next, you need to solder the two wires on top of each other.
You’ll need to mount the radio on the router and connect the receiver to the receiver, like this: