The S 120S-PTT is a table top Microphone Base with prewired push to Talk switch fitted with M10 x 1 screw thread mounting hole, finished in matt black. The table microphone standalone base is of EN1A toughened steel and has a M10 X 1 screw fix mounting hole to accept microphones with M10 thread. A prewired push to talk switch is fitted to the base. The base cavity (74mm x 22.5mm) has removable plate to allow access for installation of small electronic devises / connection of the microphone to external equipment.