You guys are so high tech with your drones everywhere to take out ATGM teams.
By now PLA must have detailed maps of every nook of Taiwan. If Apple/Google can do this, certainly it's not beyond the capability of the PLA.
Taiwan has Javelin, AT-4, M72, APILAS, and TOW. All of these have known flight patterns (direct fire, top attack), aiming requirements, and max range. I think the longest range is Javelin at ~4km.
It will be known in advance where the optimum firing positions are within the city for all types. Of course this would exclude hasty positions, but which buildings to avoid are obvious. Recon forces/Spec Ops will operate forward of the main landing party and verify certain forward targets in the expected direction of advance. You don't need drones for any of this.
ATGM teams holed up in buildings don't require fancy drones. PLL-05 is amphibious and most likely be part of the landing element. It basically made for this. It outranges any ATGM and can fire indirect or direct. Using Beidou or laser, you can call for fire and blow out any ATGM team without waiting for drones.
Drones would be useful for real time surveillance of the changing battlefield conditions and tracking movements of elements. Also would be useful for mopping up insurgents. However, you don't need fancy swarms or anything, just smart warfighting is enough.