When the tablet is placed in the slot ... Time can be added to the clock by way of RFID cards. The cards are given out as a reward for good behavior, completion of chores, etc.

Sales personnel also benefit, as RFID tags report available inventory and then supply product information to them directly on tablets, which they can share with customers right on the sales floor.

A transmitter/receiver that reads the contents of RFID tags in the vicinity. Also called an "RFID interrogator." The maximum distance between the reader's antenna and the tag vary, depending on ...