CPMIEC showcases PLA-operated long-range radars
A model of the JSG400 radar on display at the DIMDEX 2026 exhibition. (Janes/Akshay Arkane)
The state-owned China National Precision Machinery Import & Export Corporation (CPMIEC) displayed models of two radars in service with the People's Liberation Army (PLA), at the DIMDEX 2026 defence exhibition held in Doha, Qatar, from 19 to 22 January.
An official from CPMIEC told Janes that the two long-range mobile radars are operated by the PLA for air defence. It is unclear if the radars are in service with both the PLA Ground Force (PLAGF) and the PLA Air Force (PLAAF).
The first radar, called the JSG400, is a solid-state 3D S-band radar with an operating frequency of 2–4 GHz. It is a fully digitalised beam forming system in elevation and features a low side lobe antenna with anti-jamming capabilities.
According to CPMIEC, the radar can be employed to acquire air target location information, which can then be supplied to weapon systems for target elimination. The radar can detect fighter and transport aircraft and has a maximum detection range of 400 km.
JSG400, according to company information, has an azimuth coverage of 0° to 360°, an elevation coverage of 0° to 25°, a maximum detection altitude of 27 km, a range accuracy of ≤50 m, an azimuth accuracy of ≤0.3°, and can detect 400 targets simultaneously.
The second radar, called JPG600, is an early-warning ultra-high frequency (UHF) band radar with an operating frequency of 300 MHz to 1 GHz. According to CPMIEC, the radar adopts mechanical scanning in azimuth and 2D phase scanning in altitude to detect air-breathing targets (ABTs) and tactical ballistic missile (TBM) targets, and can provide target designation information to weapon systems in real time.
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