www.microwavejournal.com/articles/38775-ultra-miniature-g-band-radar-transponder

Ultra-miniature G-Band Radar Transponder
August 29, 2022
Ultra-miniature, lightweight low-power consumption Transponder, designed for use as a Tracking Radar enhancement device for small missiles and Unmanned Air Vehicles at Instrumented Ranges.
Transmits and receives pre-set frequencies within the 5.4 to 5.9 GHz band. It operates from 6.0 VDC allowing the equipment to be self-powered if used with a low-profile battery pack mounted below the Transponder as an integral part of the assembly.