Motorola HDT 600 Owner's Manual page 22

For continued protection against risk of fire, replace only with
same type and rating of fuse.
4.92" (125 mm)
Wall Mount Bracket
(Pedestal)
M4X10
Back side of HDT 600 Cradle
Threaded holes
for installation
Threaded holes
M4X10
1.96 " (50 mm)
Dashboard Mounting
Office Adapter
15