at least 3 examples for wire and wireless......
Wire simplex: Serial data from GPS to PC or autopilot using 2 wires. Wire, half duplex: Theatrical intercom, with push to talk buttons for each spotlight operator. Wire, full duplex: telephone. Wireless, simplex: infrared remote control for TV. Wireless, half duplex: walkie-talkie, family radio service, cb radio. Wireless, full duplex cellphone, cordless phone.
