Don’t they have a few GPS-only units now where all the hardware is in the ankle bracelet? I work criminal-law-adjacent and I feel like I see booths for them at

Don’t they have a few GPS-only units now where all the hardware is in the ankle bracelet? I work criminal-law-adjacent and I feel like I see booths for them at conventions. If so, this sounds like a great opportunity for more vendor grift… I mean government thrift.