3 ms·

> Bluetooth doesn’t have the signal strength beyond 20ft Oh dear. I think you will find a directional antenna can rather increase this by several orders of ma

• 77pt77 1y ago
  and 20 feet is not that short. Those overpass things with cameras and transponders can definitely still pick it up within this range. Plus like many have written, it's not even difficult to extend that range with cheap hardware.