2pcs BNC Female to TV Pal Male Adapter for EzTV668, EzTV645 & TV301U DVB/SDR USB Sticks Mates with Compatiable with NooElec PAL-input DVB/SDR sticks Use Best Flame retardancy material.Temperature tolerance up to 250C. Impedance:50ohm Pure brass with Great connective.(Not Alloy) High quality adapter; won't compromise signal quality Pakcage include item:2pcs