KLJ-7A Radar

Defense Systems Full Specifications

KLJ-7A AESA Radar: Advanced Fighter Fire-Control System

The KLJ-7A is the latest evolution in China’s airborne fire-control radar family, designed primarily to equip the JF-17 Block III multirole fighter. Developed by the Nanjing Research Institute of Electronics Technology (NRIET), the KLJ-7A transitions the aircraft from mechanically scanned technology to a more advanced Active Electronically Scanned Array (AESA) architecture—bringing it closer to the performance class of modern Western and Russian radars.

As an AESA system, the KLJ-7A offers significantly improved detection range, faster target refresh rates, sharper resolution, and enhanced resistance to jamming compared to earlier KLJ-7 mechanically scanned variants. Open-source assessments indicate a detection range of approximately 170 km, depending on target size and environment. Its electronically steered beam allows rapid multi-target engagement, enabling the JF-17 Block III to support modern beyond-visual-range missiles and advanced air-to-ground strike missions.

The radar is built to handle simultaneous air-to-air, air-to-surface, and maritime roles. It supports track-while-scan, synthetic aperture radar (SAR) mapping, ground moving target indication (GMTI), and high-resolution imaging for precision strike. The KLJ-7A also integrates enhanced electronic counter-countermeasures (ECCM) to operate in dense threat environments common to modern conflicts.

Designed for compact fighters, the KLJ-7A features a lightweight AESA array, modular line-replaceable units, and reduced maintenance demands compared to older mechanically scanned radars. Pakistan is the confirmed operator, with the radar forming the technological core of the JF-17 Block III modernization program.

By combining affordability with AESA-class capability, the KLJ-7A strengthens the JF-17’s competitiveness in global export markets while providing operators with a functional jump in situational awareness, targeting precision, and electronic survivability.

KLJ-7A Radar Price

The KLJ-7A radar is not commercially available in the United States, and detailed pricing is not publicly disclosed. As a defense-restricted system produced by China for specific partner nations, cost estimates vary by configuration and integration package.

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