After entering service in the latter half of 1999, the ship went through major upgrade several years later, with parabolic antennas replaced by three large radomes.

In addition to collecting electronic intelligence, this class is also tasked to perform ballistic missile tracking.

[10] Beginning in 2017, at least one Type 815G ship has been used to monitor each of the biennial Talisman Saber military exercises in northern Australia; in 2021, two such vessels, the Tianwangxing (天王星, Uranus) and Haiwangxing (海王星, Neptune) were deployed.

[11][12][13][14][15] In 2024, Tianquanxing (天權星, Megrez) was spotted off the coast of Pingtung ahead of Taiwan's missile tests.

[16] In May 2022 the Haiwangxing conducted surveillance operations from Australia’s waters in the Northwest, coming at one point within 50 nautical miles of the Harold E Holt naval communications station in what the Australian defence minister said was an “an act of aggression”[17][18]