Telecom's C-earset and microphone without VOX, with PTT.
List of compatible walkies
HYTERA
PD Series: PD352, PD355, PD358, PD362, PD365, PD368, PD372, PD375, PD378
Code: 63.2101.059
Code: 04.2101.003
Code: 56.2101.033
Code: 43.2101.010
Code: 25.2101.030
Code: 46.2101.005