HX-R04G is a high-performance four-port UHF RFID fixed reader independently developed by Shenzhen Haixin IOT Technology Co., Ltd. It fully supports EPC C1G2, ISO18000-6B/C, GB/T29768-2013 ( Optional) and other mainstream UHF RFID air interface protocols, the working frequency band supports national standard dual-frequency 920MHz~925MHz, 840MHz~845MHz and FCC, 902MHz~928MHz and ETSI, 865MHz~868MHz, output power 0dBm~33dBm optional, with long identification distance , Fast speed, strong multi-label recognition ability, strong anti-interference ability, high protection performance and easy installation and use etc..