Ihe mgbawa EM4222 Ndị nrụpụta ga-ede nọmba NJ pụrụ iche 64-bit Oke ọsọ: 256k ibe n'ibe Frequency onwe: enwere ike iji ya na 869MHz/902-928MHz/2.45 GHz Chip nwere oscillator na rectifier Low voltaji arụ ọrụ: dị ka 1.0V obere ike oriri, ọnụ ala dị ala uru Okpomọkụ na-arụ ọrụ: -40° C ~ + 85 ° C (-40° F ~ + 185(° F) Njirimara mgbawa EM4223 dakọtara na ISO 18000-6A Nkwado Auto-ID center akọwapụtara EAN., UCC …