M51 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. Both headset and radio should be connected in order to use PTT.
Hearing Protector system or even the headsets of other verdors(MSA Sordin, 3M Peltor, etc..), allowing the operator to have the ability to use communication system in a high noise environment or war-zone.
Size: 70x 45x 22mm
Line length: 840mm