PL male solder
PL259 Male Straight Solder Type Connector For RG8U/RG213/LMR400/LMR400UF/RFC400/RFC400DB/RFC400UF grade and equivalent cables
RF connectors are typically used with coaxial cables and are designed to maintain the shielding that the coaxial design offers. RF connectors of various types are generally used for wireless functions.
RFC®, Registered trademark of Shireen Inc
LMR®, Registered trademark of Times Microwave Systems