Beamforming support for Linksys E5600

If it has multiple antennas (most AC and AX APs do) - then yes (it's a part of the standard).

See: Redmi AX6S / Xiaomi AX3200 Beam Forming? - #5 by lleachii

(The post will also show information on how to tell if the device is currently beamforming, how many antennas are being used to do so, etc.)