The Siemens product 6GT2811-6AA10-4AA0 is a SIMATIC RF600 series reader model RF680R, designed for ARIB frequency range (920–923 MHz). This device features multiple interfaces, including Ethernet and PROFINET via M12 connectors, and supports up to four antennas. It also offers four digital inputs and four digital outputs, operating on 24 V DC power. Built to withstand harsh environments, the reader comes with an IP65 rating and functions reliably within a temperature range of -25 to +55 degrees Celsius. Please note that this unit is supplied without accessories or antennas. Distributed by BSP Automation, this reader is well-suited for demanding RFID applications where robust connectivity and flexibility are important.