Main specifications IC chip: Alien Higg3 Working frequency: 920~925MHz Air interface protocol: UHF EPC Global Class1 Gen2, ISO 18000-6C EPC memory: 96bits Applied Surface Material: On Metal Working mode: 受動的, readable and writable EEPROM allow R/W times: 100,000 cycle Reading distance: handheld reading distance: 2.0m or more, the maximum power of the handheld is 28dBm Fixed reading distance: above 4.0m, …