RJ-45 8 pines para TM261 TM271 coche radio bidireccional PTT micrófono manos libres
TM261 TM271 TM471 TM461 TK8100 K768G K868G. Hands-free microphone's head is fixed on the top of the driver's seat, and it uses the directional microphone bile (MIC), which makes call clear and effective around 30cm range.