Aircell 7 N-plug high standard very solid connector. Military IP68 rated when mated.
Made from high quality brass and plated with a high quality heavy nickle plate.
Center Connector pin 9ct Gold, Insulator Teflon(PTFE).

This plug will also fit LMR240, Mini8, RG8XMINI and other 6.5 to 7.3mm diameter cables with upto a 1.8mm centre conductor.