From Halopedia, the Halo wiki
The AN/VRC-343 radio contains several buttons and turning knobs at the front of the radio to control its various functions. The radio is a receiver that can accept incoming communications. It contains a RFID tag embedded into it.
Instructions were packed with the radio, these instructions were cautioned to be read at the back of the unit.
Radios of this type under the order number of "DAAB 05-03-2559\C-0171" were used during the Installation 07 conflict.
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