Desk CF601 UHF desktop reader writer frequency 902~928MHz(US)/ 865~868MHz(EU) protocol ISO18000-6C(EPC GEN2) interface USB Operating mode USB read-only/read-write mode USB virtual serial port output USB virtual keyboard output RF power 0-17dbm(adjustable) Reading distance 0~35cm(Depends on tag type and application environment) Power supply 5V Specification Size:85*125*18.8mm / Weight:86.5g material ABS , can customize silk screen logo Single packing specification Size:150*150*35mm / Weight:230g Operating temperature -10~+65℃ Storage temperature