When they sat down, a radio receiver in the table picked up the signals from their MagicBands and triangulated their location using another receiver in the ceiling. (Para.5)
A、When the visitors were seated, the MagicBand and the other installed triangular devices work together, sending and receiving signals from each other, which helps to pinpoint band’s owner.
B、When the visitors were seated, the MagicBand and the other two installed devices (one in the table, another in the ceiling) work together, sending and receiving signals from each device, which helps to build a triangular form of signal and then pinpoint the band’s owner.
A、When the visitors were seated, the MagicBand and the other installed triangular devices work together, sending and receiving signals from each other, which helps to pinpoint band’s owner.
B、When the visitors were seated, the MagicBand and the other two installed devices (one in the table, another in the ceiling) work together, sending and receiving signals from each device, which helps to build a triangular form of signal and then pinpoint the band’s owner.