I might have to fly out of LGA instead of JFK soon to try this out sometime. Though, most phones have some sort of bluetooth capabilities nowadays. How bad of

I might have to fly out of LGA instead of JFK soon to try this out sometime. Though, most phones have some sort of bluetooth capabilities nowadays. How bad of an idea would it be to transmit the boarding pass from the phone to the receiver that way instead of having to rely on the scanner?