Can RFID Determine Exact Distances?

Is it possible for the distance between a tag and a reader to be recorded using radio frequency identification? —Name withheld ——— Distance can be determined by employing something known as received signal strength indication (RSSI), but it is not extremely accurate....

Wal-Mart CIO Still ‘Bullish’ on RFID

During a panel discussion at NRF’s conference this week, Wal-Mart’s Rollin Ford reported that the company is still exploring ways to use the technology to improve its operations.