Flex-Antenna RFID door portal for high-density, item level tag reading. Reader agnostic and designed to be easy to deploy as a modular solution with RFID readers from Impinj, Zebra, etc. Constructed of lightweight extruded aluminum, 38 inches tall and just 19 lbs! Easy and inexpensive to ship via UPS or FedEx and easy to install by just one person. These can be stacked or mounted over-head. for maximum RFID tag read performance and tight read zone. Mounting hardware, GPIO, optical sensor, and Light stack sold separately. Size & Weight: 38" tall, 12.8" wide, 5.8" deep (19 lbs) Frequency: FCC 902-928/ 865-868 Mhz (8 dBi gain) Alternate to SLS D-Series & Zebra Transition Portals