For G-Style Handsets. This model has a Mechanical 2 Form C Hookswitch. Also available with magnetic hookswitch: #HST4G
Solder contacts on the back of mechanical switch.
The cup mounts with self-tapping screws from the rear of the panel.
If you don't have access to the rear of the panel, use our rectangular back plate #PAP7A which allows you to put four screws in from the front of the panel.