Radio-frequency identification (RFID) technology, writes Agnes Shanley, is not only being evaluated or implemented by more companies for supply-chain management and security, it lets companies spy on employees or customers.
For maintenance and condition-monitoring, wireless technology offers much more than just reducing or eliminating costs. However, wireless also requires an integrated infrastructure approach rather than independent, proprietary point solutions.
Last months ISA Expo in Houston clearly showed how much attention wireless technology is attracting. However, concern about the reliability and life of batteries remains an issue. Thats why harvested or scavenged power is attracting interest.