Includes coaxial connectors designed for radio frequency (RF) applications, such as those used in antennas, RF circuits, and other RF equipment. Excludes photovoltaic (solar panel) connectors, circular connectors, rectangular connectors, card edge connectors, terminal blocks, board-to-board connectors, crimp and solder terminals/splices, backplane connectors, flexible flat cable (FFC) and flexible printed circuit (FPC) connectors, D-sub connectors, and other non-RF connectors.