FuG 240 Berlin

Not to be confused with FuG 224 Berlin A.
An RAF officer with a captured FuG 240 "Berlin" radar. The primary antenna is visible just to the left of the disk-shaped reflector, on the end of the mast.
A "pair" of the "subsets" for a Lichtenstein B/C or C-1 "mattress" UHF radar antenna system.

The FuG 240 "Berlin" was an airborne interception radar system operating at the "lowest end" of the SHF radio band (at about 3.3 GHz/9.1 cm wavelength), which the German Luftwaffe introduced at the very end of World War II. It was the first German radar to be based on the cavity magnetron, which eliminated the need for the large multiple dipole-based antenna arrays seen on earlier radars, thereby greatly increasing the performance of the night fighters. Introduced by Telefunken in April 1945, only about 25 units saw service.