Aluminum Foil RFID Tarewa Ayyukan Hannu da Aikace-aikace

 

Yadda Aluminum Foil Sleeve Ya Toshe Siginonin RFID

 

Lokacin da kati ya zauna a cikin ma'auni mai gudanarwa, shingen yana aiki azaman aFaraday keji. Layer na aluminum yana nunawa kuma yana ɗaukar filin lantarki wanda mai karatu na waje zai saba amfani da shi don kunna guntu na RFID. Babu filin da ya isa guntu, babu bayanai da ke barin katin.

 

Wannan yana aiki sabodazurfin fata, kaurin madugu da ake buƙata don rage sigina da kusan 63%. A 13.56 MHz, mitar aiki na katunan biyan kuɗi na NFC da mafi yawan takaddun shaida na zamani, zurfin fata na aluminum yana kusan 0.018 mm. Daidaitaccen foil ɗin dafa abinci yana gudana kusan 0.016 mm lokacin farin ciki. Ya isa kusa.Katin kasuwanci{0}}hannun kariyalaminate wannan foil tsakanin takarda ko yadudduka na polymer kuma yawanci ya wuce zurfin fata guda ɗaya na aluminium, wanda ke sauke siginar ƙasa da madaidaicin madaidaicin masu karanta 13.56 MHz.

Wani bincike da muke samu akai-akai a Syntek yana nuna rudani. Manajan kayan aiki yana buƙatar RFID{1} toshe masu riƙe da lamba ga ma'aikata 200, yana ƙayyadaddun "kashe RFID" ba tare da ambaton mita ba. Muna tambayar wane mai karatu yayi samfurin ginin su yayi amfani dashi. Kusan rabin lokaci, amsar ta zama HID ProxPoint ko tsarin 125 kHz makamancin haka. A wannan lokacin dole ne mu kasance kai tsaye: namualuminum foil katin hannun rigaana ƙididdigewa don 13.56 MHz da sama. Zai kare katunan biyan kuɗi na NFC, e{2} fasfot, da takaddun shaida na HF yadda ya kamata. Ba zai samar da amintaccen garkuwa ga bajojin kusanci na 125 kHz ba. Idan tsarin ku yana aiki a 125 kHz, kuna buƙatar -maƙasudin haɗaɗɗiyar Layer{8}}waɗanda aka gina don ƙaranci{9}}ƙasa, kuma wannan nau'in samfur ne daban tare da farashi daban-daban.

Garkuwar Garkuwa da Hannun Hannun Katin Katange Mai Aiki: Waɗanda Yayi Dace Da Aiwatar da Kasuwanci

 

Rukunin samfuri guda biyu suna yin dunkulewa a ƙarƙashin "Katange RFID," amma hanyoyin ba su da kusan komai a gama. Samun su ruɗe akan odar siyayya kuskure ne mai sauƙi wanda yayi muni.

 

Matsalar tana nunawa a wurare da yawa{0}kati. Tasirin tasirin katin jamming yana da kusan cm 2 daga samansa. Sanya katin shiga, katin biyan kuɗi, da katin wucewa a cikin mariƙi ɗaya, kuma jammer ɗin ba zai iya kaiwa duka ukun ba. Tattaunawa kan taron tsaro na kayan aiki, gami da cikakken zaren 2025 akan kwamitin al'umma na Linus Tech Tips, sun tattara bayanai inda ƙarin kati guda ɗaya tsakanin jammer da abin da aka yi niyya ya sa jammer ta gaza. Membobin Dandalin Abubuwan Abubuwan Haɗari sun ƙara bincika wannan tare da takaddun shaidar HID iClass.

 

Hannun hannu mai wucewa yana kawar da wannan canji. Ko dai katin yana cikin ma'auni ko a'a. Kuna iya tabbatar da ɗaukar hoto a gani, kuma zaku iya gwada shi a cikin daƙiƙa goma: saka katin a ciki, riƙe hannun riga akan mai karatun ku. Idan mai karatu ba zai iya gano katin ba, hannun riga yana aiki.

 

Don shirye-shiryen alamar kasuwanci, hannayen riga sun yi nasara akan tsinkaya: zaku iya ba da su ga ma'aikata 300 kuma ku san cewa kowane ɗayan yana aiki iri ɗaya. Jamming katunan sun fi dacewa don amfani da walat na sirri, inda sakawa da cire katunan daga hannayen hannu ɗaya ke samun wahala cikin sauri.

 

Syntek yana kera mSiginar RFID{0}} toshe samfurana cikin kati guda biyu{0}}hannu da fasfo{1}} sigar mariƙin. A halin yanzu ba mu kera katunan jamming masu aiki ba.

 

Barazana Katin Da Ake Ciki

 

Tsallake wannan sashe idan kun riga kun san bambanci tsakanin zamba na biyan kuɗi da samun damar cloning katin. Idan waɗannan abubuwa biyu suna kama da matsala iri ɗaya, ci gaba da karantawa.

Ko da mafi girman ingancin tsaro na HID{0}, Seos, yana da cikakken rauni. Wata takarda ta 2023 da aka buga ta Ƙungiyar Ƙasa ta Duniya don Bincike na Cryptologic (IACR ePrint 2023/450, Sam Haskins da Trevor Stevado) sun nuna harin da aka kai kan HID Seos ta amfani da kashe tallace-tallace - - kayan aikin shelf gami da Proxmark3 RDV4. Harin ya yi amfani da intanet a matsayin kashin baya, tare da haɗe-haɗen nodes guda biyu: wanda aka sanya kusa da halaltaccen katin, ɗaya kusa da mai karantawa. Masu binciken sun bude wata kofa a dakin gwaje-gwajensu yayin da katin da aka ba da izini yana kusa da nisan kilomita 1,960. Harin ya buƙaci ƙasa da minti ɗaya na kusancin kati, yanayin da ya dace gabaɗaya a cikin ɗakin ofis ɗin da aka raba ko lif ɗin ajiye motoci.

 

Hannun toshewa na RFID baya gyara ɓoyayyen ɓoyayyen ɓoyayyiya. Abin da yake yi shine kawar da taga kusanci. Idan takardar shaidar tana cikin shingen Faraday a duk lokacin da ba a gabatar da ita ga mai karatu ba, mai hari ba zai iya fara jujjuyawar relay ko cloning a farkon wuri ba. Don ƙungiyoyin da ke gudanar da ababen more rayuwa na baji tare da ƙayyadaddun ƙayyadaddun lokacin da aka auna cikin shekaru, wannan shine mafi ƙanƙanta{3}} ma'aunin ƙima na jiki da ake samu.

 

Don ƙarin mahallin kan yadda fasahar RFID ke hulɗa da ayyukan yau da kullun, duba bayanin mu naaikace-aikacen RFID gama gari a cikin masana'antu.

 

 

Inda Takaddun shaida-Tsarin Hannun Kariya Ya riga Ya Kasance Mahimmin Batun

 

Ba kowace kungiya ce ke ɗaukar waɗannan a matsayin na zaɓi ba.

Abin da Takaddun Sayayyan Ku Ya Kamata Ya Fadi Kafin Ku Amince da Mai Bayarwa

 

Yawancin shafukan samfur ba za su ba ku abin da kuke buƙata don yanke shawara ba. Anan akwai tambayoyi guda biyar da yakamata kuyi kafin ku amince da buƙatar samfurin.

 

 

Ƙayyadaddun Bayani	Abubuwan da ake bukata
1. Garkuwa mitar band	An bayyana a matsayin lamba. "Blocks RFID" ba takamaiman bayani ba ne. Kuna buƙatar ganin "13.56 MHz," "125 kHz," ko "dual- mitoci".An kimanta daidaitattun hannayen riga na Syntek akan 13.56 MHz (HF/NFC).
2. Abun abun ciki	Tambayi abin da aka yi Layer conductive daga. Gine-ginen Syntek: takarda mai rufi na waje, Layer garkuwar garkuwar aluminum, PE fim na ciki. Mai hana ruwa da tsagewa{2}}
3. Girman girma	Hannun hannu ya kamata su ɗauki TS ISO/IEC 7810 ID-1 girma (85.6 × 53.98 mm). Daidaitaccen girman Syntek: 88 × 59 mm don katunan, 140 × 97 mm don fasfot.
4. Zurfin buɗe hannun hannu	kejin Faraday yana aiki ne kawai idan ya cika. Buɗe marar zurfi da ke barin saman gefen eriyar katin fallasa zai ba da damar masu karatu masu ƙarfi su haɗa guntu.
5. MOQ & Lokacin jagora	Samfuran kyauta (mai siye yana biyan jigilar kaya), MOQ guda 500 don faralin hannayen riga, 1,000 don al'ada{3}}buga. Lokacin jagoranci 7 zuwa 15 kwanakin kasuwanci. Biya ta hanyar PayPal, T/T, ko Alibaba.

 

Abin da Wannan Hannun Yayi Kuma Ba Ya Sauya

 

Ba ya ɓoye bayanan. Ba ya tabbatar da masu amfani. Ba ya haɓaka ƙa'idar katin gadon ku. Idan tsarin kula da damar ku yana gudana MIFARE Classic, hannun riga ba zai sa wannan ɓoyayyen ɓoyayyen ɓoyayyen abu ba.

 

Abin da yake yi shi ne cire taga. A cikin dakika goma sha biyar ma'aikacin ku yana tafiya ta cikin garejin ajiye motoci tare da lanƙwasa baji mara garkuwa a bel ɗin su? Wannan shine lokacin da aka fara kai hari. Hannu yana rufe wannan tazarar. Farashin raka'a yana ƙarƙashin dala ɗaya, turawa ba sa buƙatar canje-canjen ababen more rayuwa, kuma yana ƙima tare da odar siyayya ɗaya. Ga manajan kayan aiki wanda ya san haɓakar katin yana tafiya zagaye na kasafin kuɗi guda uku, wannan gada ce mai ma'ana.

 

Syntek yana ba da samfuran samarwa kyauta kafin{0} don haka zaku iya gwadawa akan ainihin tsarin lambar ku kafin yin ƙara. Aiko mana da mitar katin, ƙiyasin adadin, da kowane buƙatun bugu. Za mu tabbatar da dacewa da jigilar samfur a cikin kwanaki.