NFC daim npav feem ntau muab faib ua daim npav ID thiab daim npav IC.Daim npav ID feem ntau yog nyeem cov ntaub ntawv los ntawm NFC nyeem ntawv;IC daim npav muaj cov chips uas tshwj xeeb ua cov ntaub ntawv daim npav.
Daim npav ID: tsuas yog sau tus lej daim npav xwb, tus lej daim npav tuaj yeem nyeem tau yam tsis muaj kev txwv thiab nws yooj yim rau kev coj ua.Daim npav ID tsis tuaj yeem sau cov ntaub ntawv, thiab nws cov ntaub ntawv sau tseg (daim npav tus lej) tsuas tuaj yeem sau ib zaug los ntawm cov chaw tsim khoom chip, thiab tus tsim tawm tsuas tuaj yeem nyeem daim npav tus lej siv, thiab tsis tuaj yeem tsim txoj cai tswj hwm tus lej tshiab raws li qhov xav tau tiag tiag. .
IC daim npav: Kev nyeem ntawv thiab sau cov ntaub ntawv sau tseg hauv daim ID yuav tsum muaj kev txheeb xyuas tus lej password, thiab txawm tias txhua qhov chaw hauv daim npav muaj kev tiv thaiv tus password sib txawv los tiv thaiv cov ntaub ntawv ruaj ntseg.Qhov kev tso cai ntawm reaing thiab sau ntawv tuaj yeem teeb tsa nrog tus password sib txawv, uas muab ib txoj hauv kev zoo hierarchical tswj kom muaj kev ruaj ntseg system.Daim npav IC tuaj yeem tsis tsuas yog nyeem ntau cov ntaub ntawv los ntawm cov neeg siv tau tso cai, tab sis kuj tseem sau cov ntaub ntawv ntau (xws li daim npav tshiab, tus neeg siv txoj cai, cov ntaub ntawv siv, thiab lwm yam) los ntawm cov neeg siv tau tso cai.
Dab tsi yog hom IC daim npav sib txawv?
M1 daim npav: daim npav IC zoo tib yam, ntu 0 tsis tuaj yeem hloov kho, lwm cov haujlwm tuaj yeem raug tshem tawm thiab rov sau dua;feem ntau yog daim npav tswj kev nkag thiab daim npav of elevator uas peb siv yog M1 phaib.Daim npav M1 yog daim npav IC tsim los ntawm NXP, lub npe tag nrho yog NXP Mifare1 series.Tam sim no, NFC chips siv los ntawm cov tuam txhab xov tooj ntawm tes feem ntau yog NXP.
UID daim npav: daim npav zoo tib yam, tuaj yeem rov qab tshem tawm thiab sau tag nrho cov haujlwm, kev tswj kev nkag tsis raug yog tias muaj firewall.
CUID: Txhim kho daim ntawv theej, uas tuaj yeem tshem tawm thiab sau tag nrho cov haujlwm txuas ntxiv, thiab tuaj yeem nkag mus rau feem ntau ntawm firewalls.
FUID: Advanced daim npav, 0 sector tsuas yog sau tau ib zaug, thiab nws dhau los ua daim npav M1 tom qab sau ntawv.
UFUID: Super siab tshaj daim ntawv luam, 0 sector tsuas yog sau ib zaug xwb, tom qab daim npav raug kaw, nws yuav yog daim npav M1, thiab yog tias daim npav tsis raug kaw, nws yuav dhau los ua daim npav UID.
IC phaib ua raws li lub tswv yim ntawm daim npav hu xov tooj thaum ntxov, thiab tam sim no tau muab faib ua IC daim npav thiab cov ntawv tsis sib cuag IC.Contactless IC phaib yog nyob rau hauv qeb ntawm RFID, thiab tam sim no xa mus rau high-frequency IC phaib.Feem ntau siv yog M1 daim npav thiab nws daim npav sib xws.
Qhov txawv ntawm Mifare series cards
1) Mifare series phaib tau muab faib ua Mifare UltraLight, tseem hu ua MF0, raws li cov chips sib txawv siv hauv daim npav;
2) Mifare S50 thiab S70, tseem hu ua MF1;
Mifare Pro, tseem hu ua MF2, Mifare Desfire, tseem hu ua MF3.Mifare 1 muaj tus password, Mifare UltraLight tsis muaj tus password.M1/ML/UtralLight/Mifare Pro ua raws 14443A raws tu qauv, AT88RF020 ua raws li 14443B raws tu qauv
Qhov sib txawv ntawm Mifare S50 thiab Mifare S70:
1) Tus nyeem ntawv / sau ntawv xa cov lus thov sib txawv rau daim npav;
2) Daim npav hom (ATQA) bytes rov qab los ntawm cov lus teb txawv.Daim npav hom (ATQA) ntawm Mifare S50 yog 0004H, thiab daim npav hom (ATQA) ntawm Mifare S70 yog 0002H;
3) Lub peev xwm thiab lub cim xeeb sib txawv, lub peev xwm ntawm S50 yog 1K bytes, thiab lub peev xwm ntawm S70 yog 4K bytes.
Tam sim no, NFC daim npav feem ntau yog siv rau hauv kev tswj xyuas kev txheeb xyuas, daim npav npav, cov ntaub ntawv pov thawj, kev tiv thaiv kev ua txhaum cai, thiab lwm yam.
Handheld-wireless handheld pda tuaj yeem txhawb NFC daim npav nyeem thiab sau ntawv,Shenzhen Handheld-Wireless Technology Co., Ltd.muab ntau yamRFID nyeem ntawv sau ntawv, NFC handheld,barcode scanners, biometric handhelds, electronic labels thiab customized application software, thiab lwm yam.
Post lub sij hawm: Nov-01-2022