I have been searching for tracking devices that could be repurposed to track a drone and remembered DeWalt has a device to track Tools it’s not cheep but seems like it could provide a real reliable way to find your lost drone after it’s been shaved of a little weight! It’s designed to take a beating so some armor would have to be removed to bring its weight down.
DEWALT MOBILELOCK - Product
DEWALT MOBILELOCK - Product