The FineJoin D2184B Lite is a high-performance Industrial UHF RFID Reader designed for multi-point, high-density tracking applications such as warehousing, logistics, and intelligent sorting systems. Featuring a slim and compact metal industrial enclosure with an IP65 rating, this versatile terminal supports flexible antenna configurations via 1-4 × SMA female connectors, achieving a long-range read/write distance of 0 to 15 meters. Empowered by a proprietary anti-collision algorithm, it delivers industry-leading multi-tag processing with a maximum speed of 650 tags/second. The device offers rich connectivity including RS-232, RS-485, and RJ45 Ethernet (Optional), combined with advanced GPIO control (2 optocoupler inputs and 2 relay outputs via DB9). Operating at a nominal 9 VDC voltage, it includes full host DLL and demo application SDK support for seamless industrial integration.