The Primary Surveillance Radar (PSR) is an active radar, which is mostly used to monitor the flight status of the aircraft in the airway and air traffic control area, and provide monitoring information for the air traffic control system.

The Secondary Surveillance Radar (SSR) is a full-solid-state digital radar with Mode S, mostly used for remote route monitoring with higher accuracy and approach control . It supports Level-II mode S data link and ADS-B 1090ES data download.