transceiver

Then he realized that Jen's muffled sobs were going direct to the Pentagon through his transceiver.

Alis Garet, her arms around Don and her head on his shoulder, spoke directly into the transceiver.

"That mini-transceiver we planted p. 99 in your neck for the Gienah job," said Stetson.

In the privacy of his room, Orne pressed the transceiver stud at his neck, said: "Stet?"

Do you mean you've been listening in ever since I strapped on the transceiver?