TIC VOR/ILS Ramp Test Set TYPE T-30B/B

The T-30B/B is used for testing aircraft navigation and communication systems.

The set specifically tests VOR and ILS systems.

It is an updated version of the original T-30B. The "/B" designation indicates that it has built-in rechargeable batteries, making it more portable. 

Completely self-contained in strong metal case for protection and easy transportation.