Our unit began with a brand new 7' x 12' enclosed cargo trailer that I had built to our specs. It is equipped with 30 amp electrical service, two roof vents, two slider windows, and a Dometic 13,500 BTU roof air conditioner unit.

We went with barn doors in the rear and a side entry door as well.

Base cabinets and countertops for two workstations (1) upper storage cabinet
The equipment (most of which is brand new) is as follows:
Icom 718C HF radio
Icom 2100H 2 meter radio
Realistic 40 channel CB radio
(4) GMRS radios w/chargers

Astron RM-60 rack mount DC power supply

3' x 3' x 1/2" steel antenna base (holes drilled in each corner to attach grounding rods)

Wired for phone and fax