The idea is not that it would be RFID only, but to reduce the number of non-tagged objects & people so false positives happen less often. Obviously you still n

The idea is not that it would be RFID only, but to reduce the number of non-tagged objects & people so false positives happen less often. Obviously you still need a way to deal with random, unexpected obstacles, but it's a much smaller problem space when the surrounding environment is mostly properly tagged.