This video is an example of a smart shelving system powered by a single Impinj Speedway Revolution RFID reader and four Speedway Antenna Hubs. The Speedway Antenna Hubs enable a single 4-port Speedway Revolution R420 reader to control and manage up to 32 RFID reader antennas.
The smart shelving example here has 30 shelves displaying 30 unique items representing a real-world RFID deployment using Impinj RFID technology.