DHT Electronics RF coaxial coax adapter UHF male PL259 PL-259 to mini UHF female Package include:1 x adapter Connector Material:Pure Copper with Great connectivity.(Not Alloy) Impedance :50 ohm Connector Material:Pure brass with Great connectivity.(Not Alloy) DHT Electronics Brand is a Registered Trademark of DHT LLC.Only authorized seller of DHT Electronics can sell under DHT Electronics listings.