The Beyerdynamic CA 2442 is an antenna cable adapter.
The Beyerdynamic CA2442 has a N(HF) female to a SMA male plugs. It can be used with the MCW-D 50/200 wireless systems.
Beyerdynamic CA 2442 Adapter for Antenna Cable N(HF) Female-SMA Male (code 59505)
Adapter for Antenna Cable N(HF) Female-SMA Male
£10.76 (inc vat)