QR Code Access Control Converter: Ru960 txhawb nqa UHF EPC Gen2(ISO18000-6C) Protocol cov qauv hluav taws xob tshaj tawm cov txheej txheem sib tsoo, High nyeem ntawv tus nqi ua haujlwm 840-960MHz (Tuaj yeem hloov kho raws li cov cai ntawm txawv teb chaws lossis cov cheeb tsam) FHSS lossis cov hluav taws xob tsau txhais tau tias ntawm kev xa tawm cov zis: ntau tshaj plaws 20 DBM (kho tau) Nyeem thiab sau kev deb: Nyeem 0 ~ 600 hli, Sau 0 ~ 300mm (Ua kom muaj nyob ze yog nyob ntawm …