គំរូ: RU200 Operating frequency: 860~960MHz Can set the operating frequency in different countries and regions: ចិន (920MHz~925MHz) South Korea (917MHz ~ 924MHz) United States (902MHz~928MHz) អឺរ៉ុប (865MHz~968MHz) Japan (916MHz~924MHz) Communication Protocol: អាយអេសអូ 18000-63(6គ)/EPC Gen2 Works mode: Frequency Hopping or LBT (Listen-Before-Talk) Modulation: DSB-ASK Coding mode: Miller 2, 4, 8 and FM0 Communication Interface: USB Read/Write range: reading distance>180ម, writing distance>80ម …