General Atomics has proven that the Raytheon ALR-69A Radar Warning Receiver (RWR) can work on a MQ-9 unmanned aerial vehicle.
By U.S. Air Force photo by Paul Ridgeway [Public domain], via Wikimedia Commons
It said on a Apr. 9 press release that the demonstration was carried out using a company-owned Predator B and the RWR was carried within GA-ASI’s standard payload pod.