RFID & NFC RFID antennas, NFC antennas The RFID and NFC antennas are used to receive signals of a particular type of frequency. Accessories Alphabetically (article code) Most popular Less expensive first Most expensive first Kathrein RAIN RFID Antenna RAIN RFID antennas from the German manufacturer Kathrein are characterized by high efficiency and durability. Kathrein ARU 2400: RAIN RFID Antenna Reader Unit, 865-868MHz int. + 3 ext. Ant., PoE, GPIO Kathrein ARU2400, the RAIN RFID Antenna Reader Unit, is the powerfull reader with an innovative connection concept Kathrein ARU 3500: RAIN RFID Antenna Reader Unit, 865-868MHz, int. + 3 ext. Ant., PoE+, Linux The Kathrein ARU3500 antenna reader is the RAIN RFID reader with an integrated 65° wide-range antenna. It is the first choice for professional IoT solutions, such as industrial automation and vehicle identification in ruggedised environments.