With this
Yaesu SJMK-500 swivel mounting kit you can adjust the position of the control panel relative to the main unit of the Yaesu FTM-500DE VHF/UHF transceiver as desired.
This is one of three installation options. These are:
1. Built-in or surface-mounted using the mobile bracket supplied as standard. It can be mounted upwards or downwards.
2. Built-in with swiveling control panel. Main unit under the seat or elsewhere and control panel on the dashboard. Use MMB-103 and optional 3m or 6m extension cables.
3. Built-in or surface-mounted using the swiveling control panel. Use SJMK-500. No additional extension cables required.
Dimensions and weight are including packaging