K PO KEP 115 S speaker microfoon antenne afstellen PL 259 Male to 3 8 thread PL 259 Male to 3 8 thread (this is it) Ease of use: magnetic key ring The KEP 115 microphone is suitable for the following models: KPO MT 2000 2020 4000 4040 PB 1000 R K PO Panther