... UHF Readers 2.access control 3.middle read distance 4.supply SDK and demo software Middle Range RFID UHF Readers Key Specifications/Special ... , writing is 60% of read reading (depend on different tag) Reader supports multi-tag identify, single tag read, tag write, lock ... )AccessoriesPower supply,RS-232,disk(SDK, Demo,User’s manual ) Middle Range RFID UHF Readers