An RF connector comprising a first socket member , wherein the first socket member comprises a conductive sleeve and an end cap ; the conductive sleeve comprises a top portion , a bottom portion , and a plurality of springs connecting the top portion and the bottom portion , a base component including an adaptor base and a second socket member , the adaptor base having an outer surface without any threads, said adaptor base comprises a first matching hole configured to match to a first conductive pin of a first plug member , wherein the adaptor base comprises a conductive body layer enclosing a dielectric layer , and an inner conductive contact layer surrounding the first matching hole ; said conductive sleeve is pressed fit to the outer surface and is configured to slide on the outer surface between a first position when the first socket member is disengaged with the first plug member to a second position; wherein the end cap comprises a base and a lip ; wherein the conductive sleeve is configured to slide on the outer surface away from a middle portion and towards the base of the end cap when moving into the first position, and is configured to slide on the outer surface away from the base of the end cap and towards the middle portion when moving into the second position; wherein the top portion of the conductive sleeve is configured to contact the base of the end cap and to contact an inside surface of the lip of the end cap when the conductive sleeve is situated in the first position; wherein the top portion of the conductive sleeve is configured to not contact the base of the end cap and be radially surrounded by the lip of the end cap when the conductive sleeve is in the second position; and whereby the end cap prevents the removal of the conductive sleeve in the first position. a first socket member , wherein the first socket member comprises a conductive sleeve and an end cap ; the conductive sleeve comprises a top portion , a bottom portion , and a plurality of springs connecting the top portion and the bottom portion , a base component including an adaptor base and a second socket member , the adaptor base having an outer surface without any threads, said adaptor base comprises a first matching hole configured to match to a first conductive pin of a first plug member , wherein the adaptor base comprises a conductive body layer enclosing a dielectric layer , and an inner conductive contact layer surrounding the first matching hole ; said conductive sleeve is pressed fit to the outer surface and is configured to slide on the outer surface between a first position when the first socket member is disengaged with the first plug member to a second position; wherein the end cap comprises a base and a lip ; wherein the conductive sleeve is configured to slide on the outer surface away from a middle portion and towards the base of the end cap when moving into the first position, and is configured to slide on the outer surface away from the base of the end cap and towards the middle portion when moving into the second position; wherein the top portion of the conductive sleeve is configured to contact the base of the end cap and to contact an inside surface of the lip of the end cap when the conductive sleeve is situated in the first position; wherein the top portion of the conductive sleeve is configured to not contact the base of the end cap and be radially surrounded by the lip of the end cap when the conductive sleeve is in the second position; and whereby the end cap prevents the removal of the conductive sleeve in the first position. <EOS>