noun
transceiver
tran-SEE-ver/trænˈsiːvər/
A device that both transmits and receives signals.
The handheld transceiver both sends signals to and receives them from the matching radio.

Etymology
Transceiver combines transmitter and receiver in its name just as the device combines their functions: sending electronic signals and receiving them in one unit.
In context
they get to talk to him through a little transceiver that he pulls out of the Little Red Guardian merchandise he puts it in his ear
More examples
- Each rescue team carries a handheld transceiver.
- These optical transceivers send and receive data through fiber cables.
- The technician connects an antenna to the transceiver.
Forms
transceiver · transceivers
Similar words
- radio
- May only receive broadcasts rather than also transmit signals.
- walkie-talkie
- A handheld radio transceiver used mainly for spoken communication.