How to Build a Radio Repeater Using 3 Simple and Easy Steps?
Make this Radio Repeater Circuit at Home - Homemade Circuit Projects
A portrait of the Ericsson-VHF "conventional and mobile" radio repeater, part of the land and mobile radio system inside Building 711 at Camp Zama - NARA & DVIDS Public Domain Archive Public
Work in progress guardian repeater build.(aka still upgrading equipment) : r/dauntless