TSS 4-port UHF RFID Gold Reader PoE (Power over Ethernet)New! TSS has developed a 4 port reader which supports the LLRP protocol. It is a very efficient reader which provides you with a long reading range. This is a price wise an excellent replacement for the Impinj R220 R420 reader which is no longer available in ETSI versions. This is due to new EU cybersecurity regulations under the Radio Equipment Directive (RED). Technical Specification: EPCglobal UHF Class 1 Gen 2 865 868 Mhz 4 channels ETSI (Europe)