[wulala]

interntional standard so?  there is no need for processing units in car a passive detection device in car then processin done at back end will do.  the processing units adds lots of cost and unnecessary space in car.
the manufacturere and distributors of units huat ah.  what was it that they managed to sell such a no need units to lta.

stop the implementation and redo a better solutions before the mistake got compouded with more wasted cost.
wrong ok. admit mistake and reverse. no die die save face or worse any other thing?

All these devices are to trace and track. ERP 2.0, free smart watch...etc. Soon, we may be required to register one or more device(s) in order to take public transport.