The SR-3D (Short-Range 3D) is an S-band air defence radar developed by the Sensor Division of the Pakistan Air Force’s (PAF) National Aerospace Science and Technology Park (NASTP).
Jointly produced by state-owned enterprise (SOE) National Radio and Telecommunications Corporation (NRTC) and Blue Surge, a private sector company, the AM-350S was first publicly revealed at the 2024 International Defence Exhibition and Seminar (IDEAS 2024).