Telecom's C-earset and microphone without VOX, with PTT.
List of compatible walkies
SEPURA
STP8000, STP8038, STP8100, STP8200, STP9000.
Code: 25.2101.057
Code: 43.2101.085
Code: 56.2101.021
Code: 43.2101.084
Code: 43.2101.034
Code: 63.2101.053