The is a member of the Racal Jaguar "Hx" family (specifically the Jaguar H). It is a lightweight, VHF/FM tactical radio intended for man-pack, vehicle, and static applications. Its primary selling point upon release was its Electronic Counter-Countermeasures (ECCM) capability—specifically, its ability to frequency hop to prevent enemy interception and jamming.
Today, we are cracking open the technical manual to look at the data that made the PRC-6020 a workhorse of the battlefield. Radio Set Hx Prc 6020 Technical Data