also: トランシーバ
A portable two-way radio that can both transmit and receive; commonly used for short-range communication.
登山中はトランシーバーで連絡を取り合った。
We kept in touch with transceivers while climbing the mountain.
警備員は常にトランシーバーを携帯している。
The security guards always carry transceivers.
The workers at the site talked with their colleagues over a transceiver.
During the climb, we kept in contact using transceivers.
The security guard used a transceiver to give instructions.