plink.exe -ssh -pw ubnt ubnt@192.168.0.30 "tcpdump -ni ath0 -s 0 -w - not port 22" | "C:\Program Files\Wireshark\Wireshark.exe" -k -i -
Reference: https://community.ubnt.com/t5/airOS-Software-Configuration/FEATURE-REQUEST-Packet-sniffer-Tools/m-p/1733948/highlight/true#M45359