I think i have the answer to full body tracking for the quest/quest 2 in stand alone mode : r/OculusQuest
Antilatency SDK Now Supports Full Body Tracking for Oculus Quest – Virtual Reality Times
Amazon.com: KIWI design Tracker Straps and Belt for Full Body Tracking VR, Compatible with Quest 2 and SteamVR, Upgraded Palm/Foot Trackerstrap Accessory Fit HTC Vive Tracker (Trackers NOT Included) : Video Games
Oculus Quest FULL BODY TRACKING!? NEW Hand Tracking Demos, Oculus Quest Giveaway! - YouTube
Meta shows stunning full body tracking only via Quest headset
Sony Just Made Full Body Trackers That Work On Quest! Free Games & Tons More! - YouTube
How To Guide: Full Body Tracking on Your Quest 2 IS Possible! – VR Wave
Meta AI Research: Quest 2 Body Pose Estimation Without Trackers
Antilatency Showcases Wireless Full-Body Tracking With 10-Person VR Zumba Class - VRScout