Selex ES to fit RAF Pumas with new RWR
The Royal Air Force wants to swap out the Sky Guardian 200 radar warning receiver (RWR) on the Puma helicopter and replace with a variant of SEER RWR from Selex ES.
By Sgt Jack Pritchard RAF (http://www.defenceimagery.mod.uk) [OGL], via Wikimedia Commons
The Seer RWR is E-J band, but can be configured with extensions to operate in the C-D and K bands, according to Flight Global.
Source: Selex ES to fit RAF Pumas with new RWR