The Siemens 6GT2811-5BA00-0AA1 is a SIMATIC RF600 series RF620R reader designed for UHF frequencies compliant with ETSI standards in Europe. This device features an internal antenna but also offers an RS422 interface for seamless integration with TIA systems, along with an additional R-TNC connector for an optional external antenna if needed. Built to operate in harsh environments, it has an IP65 rating and supports temperatures ranging from -25 to +55 degrees Celsius. Without accessories, it can reliably read tags up to a distance of 2 meters. This model is available through BSP Automation, providing a versatile and robust solution for industrial RFID applications.