EARMOR M52 ( Push to talk) Micro activer par un bouton ( KENWOOD) /EARMOR M52 Button-Activated PTT (Kenwood) M52 PTT(Push to talk), is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode....

Earmor M51 Boutton PTT ( Kenwood ) M51 PTT(Push to talk), is  designed for radio communication on half-duplex communication lines with two-way radio systems. A momentary button is used to remotely switch from voice reception mode to voice transmission mode. The M51 PTT can be seamlessly integrated into your existing EARMOR M32/M32H Hearing Protector system...