VHF
Used Sinclair VHF Duplexer Model: Q2222E 144 - 168 MHz
The Dykem 80000 model holds up well even when you're working with oily metal.
1 NEW SINCLAIR ST221-SF1SNF (F1405) EXCALIBER TRANSIT VHF ANTENNA NIB
A nice touch on the side handle assy is the hidden screw design for a clean look.