SIMATIC RF200 Reader RF280R RS422 interface (3964R) IP67, -10 to +60 °C, 160x 80x 41 mm with integrated antenna. Compact reader with integrated antenna and a large range. - RS422 interface with 3964R transmission procedure for connection to RFID communication modules. - High degree of protection and heavy-duty design facilitate problem-free use even in harsh industrial environments. - Simplified engineering, commissioning, diagnostics and maintenance through seamless integration into TIA.