
The term "RFID portal for doorways & corridors" is usually used to define a specific bottleneck through which "things" are moved, and which has RFID readers purposefully located to read RFID tags on the "things" moving through the bottleneck. In many industry tracking is of primary importance and care is taken to ensure that the tags are present and attached in such a way that they can be easily read. The RFID portal for doorways & corridors is ideal for tracking equipment, files, assets, document, and people in interior environments passing through corridors, doorways, and hallways. The key element in the RFID for doorways & corridors are the antenna, the reader, and the controlling software. RFID portals for doorways & corridors can read any RFID tags such as ultra-high frequency, high frequency, low frequency, but most RFID portals for doorways & corridors use ultra-high frequency tags, as the other tags have too short a read range