Bkl mini uhf socket 50 ohm bkl 407028 bkl electronics 0407028 the mini uhf plug connector has very good electrical and mechanical properties a modified and compact design of the uhf plug connector due to the teeth on the screw that prevent loosening and turning of the plug connection due to vibrations its considered ideal for mobile applications bkl 0407028 mini uhf socket pcb mount 90 50 ohm