Chinese defense experts have announced the successful development of commercial devices capable of tracking U.S. stealth radars with an accuracy margin of just 10 to 13.5 millimeters, even in environments with electronic jamming.

This finding was detailed in a research report from the 38th Research Institute, part of the China Electronics Technology Group Corporation (CETC).

The study suggests that stealth aircraft, including the U.S. B-2 bomber, F-22, and F-35, as well as nuclear submarines and covert drones equipped with Low-Probability-of-Intercept Radar (LPIR), can be detected using standard commercial spectrum analyzers. Their positions can reportedly be pinpointed within a few centimeters.

Notably, similar technology has recently been employed by Pakistan to track Rafale aircraft. The research utilized a device named “TFN RMT744A,” originally designed for telecom applications, which has proven to meet military standards. This device operates passively, listening for signals, and can identify weak and jammed signals like LPIR with 100% accuracy across a frequency range of 5 kHz to 44 GHz.

Chinese researchers claim they have also successfully decrypted the complex signals of LPIR radars using an AI algorithmic technique called “Enhanced Cuckoo Search,” inspired by the erratic flight patterns of the cuckoo bird and utilizing modern metallurgical principles for signal analysis.

Experiments were conducted in environments simulating combat scenarios, employing U.S.-made radar models AN/TPS-43 and AN/TPS-74. While it remains unclear if actual U.S. radars were tested or if replicas were used, the outcomes were described as remarkable.

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The device maintained its accuracy even in heavily jammed conditions over distances exceeding two kilometers. Chinese scientists believe this advancement is crucial for military reconnaissance, missile guidance, maritime surveillance, and space satellite control, and they anticipate further improvements.

This development emerges as the U.S. has long considered its stealth technology to be unmatched. China’s achievement could significantly alter the balance of power in electronic warfare and present a notable challenge to U.S. defense capabilities.