RFID Kiyi Fobs yeKupinda Kudzora: Iyo Mutengi Inotungamira kune Mhando, Kuenderana, Chengetedzo, uye OEM Sourcing.

Iyo RFID kiyi fob idiki isingabatike chiziviso chinotakura chip uye antenna uye inozivisa mushandisi kumuverengi pasina kubata chaiko. Izvo zvakawanda zviri nyore. Chinokwira nevatengi vazhinji ndicho chinhu chiri pasi payo: ingave fob ichanyatso taura nevaverengi vakatovharirwa kumadziro, ingave iyo chip inogona kuramba € 30 cloning mudziyo, uye kana mutengesi anogona encode zviuru zvishanu zvishanu zvakanaka vasati vatumira. Gwaro iri rakanyorerwa vanhu vane sarudzo idzi - IT uye maneja ezvivakwa ari kusimudzira, uye zvikwata zvinotenga zvinotsvaga RFID key fobs muhuwandu.

Chikanganiso chimwechete chinodhura muchikamu ichi ndechekuodha pa frequency chete. Frequency inodiwa asi haina kukwana. Pazasi, kugarisana, kuchengetedzeka, uye kutsvagisa zvinotorwa sezvisarudzo zvitatu zvinonyatsoona kana kutumirwa kunoshanda - uye zvakangoita mukurongeka kwengozi.

Iyo RFID Kiyi Fob Inoshanda sei (uye Nei Zvichikosha Kutenga)

A passive fob haina bhatiri. Kana ichipinda mumunda wemuverengi, antenna inokohwa simba kubva kumunda iwoyo, inomutsa chip, uye chip inopindura kumashure. Muhurongwa hwekutanga mhinduro ingori chiziviso chakamisikidzwa; mune yakachengeteka sisitimu iyo fob uye muverengi anomhanyisa cryptographic kubata maoko kusati kwachinjana chero chinhu chinonetsa. Mudzori ari seri kwemuverengi anobva atarisa kuti ndiani achipikisana nemitemo yekuwana uye anokiinura gonhi - kana kunyora kurambwa.

Mhedzisiro miviri inoshanda inowira kunze kweizvi. Chekutanga, nekuti mafobs anongotora simba kubva kumuverengi, anowanzogara kweanopfuura makore gumi asina kugadzirisa, ndosaka pese pese pese pazvivakwa achiashandisa pane kushandisa bhatiri{1}}ma tags anoshanda. Chechipiri, musiyano uripo pakati pe "fob inotumira nhamba" uye "fob inoratidza kuti ndiani" inyaya yese yekuchengetedza - uye inosarudzwa padanho rechip, usati wambofunga nezve imba kana brand. Kana iwe uchida iyo fizikisi zvakadzama, ona kuparara ukumashandiro eRFID kiyi fobs anoshanda sei kuwana kutonga.

Frequency uye Chip Type: Iyo Kuenderana Sarudzo

Kune matatu ma frequency mabhendi, uye haadyidzane. Muverengi we125 kHz haagone kuverenga 13.56 MHz fob, uye zvinopesana. Mukati mebhendi rega rega, iyo chip mhuri uye kutaurirana mwero yakamanikana kuenderana mberi.

125 kHz (Yakaderera Frequency)

LF ndeyekare, yakachipa, uye inoregerera yakatenderedza simbi uye ruzha rwemagetsi. Chips kufananaEM4100 uye TK4100 kiyi fobskutepfenyura nhamba yakatarwa, -chete. Kuvimbika ikoko ndirowo dambudziko: nhamba yakatarwa isina encryption inogona kukopwa mumasekonzi neinodhura duplicator. Sarudza LF chete kana iwe uchifananidza vaverengi veLF varipo kana kana uchigadzira isiri chikamu chemhando yako yekutyisidzira - imba yekuvharisa yejimu, toti, kwete nzvimbo yedata.

13.56 MHz (High Frequency)

HF ndiyo yekusarudzika kune chero kutsva kutumirwa kune kuchengetedzwa kunokosha. Inodzorwa ne ISO/IEC 14443 yakajairwa (ine ISO/IEC 15693 inovhara-machipisi enharaunda), ndosaka zvitupa zveHF zvichipindirana zvakachena kune vaverengi vanotevedzera. Mhuri nhatu dzechip dzinotonga:

MIFARE Classic 1K- hombe yakaiswa base, mutengo wakaderera, uye chikonzero ichiri kufamba muhuwandu. Asi iyo Crypto-1 cipher yakaputswa pachena makore apfuura, saka inofanirwa kubatwa seyakareruka chiziviso, kwete chekuchengetedza. Isarudzo ine musoro yenhengo, cashless catering, kana magonhi emukati umo clone inotsamwisa kwete kutyora. A13.56 MHz MIFARE 1K kiyi fobinofukidza mazhinji enyaya idzodzo.

MIFARE DESFire EV3- chiyero chiripo che-chekuchengetedzwa kwepamusoro. Maererano neNXP's DESFire zvinyorwa, inoshandisa AES-128 hardware encryption, zvitatu-pass mutual authentication, uye per-application key management, uye IC ine Common Criteria EAL5+ certification - the same class inodiwa machipisi ekubhanga nemae-passport. Inodzokera kumashure inoenderana neEV2 uye EV1, inoita kuti kutama kwakapetwa kuve kwechokwadi. Kana iwe uchitsanangura chivakwa chehurumende, chitoro chemishonga, kana HQ yemakambani, iyi ndiyo nzvimbo yekutanga, kwete yekusimudzira yekuzofunga gare gare.

NTAG (NFC)- yakagadzirirwa nharembozha-matauriro anoverengwa kwete kuomesera kuwana. Inobatsira kune vaenzi vanopfuura, kuvimbiswa kwechigadzirwa, uye kushambadzira, zvishoma kune gonhi rakachengeteka.

UHF

UHF inoverenga pamamita, kwete masendimita, ndizvo chaizvo zvauri kuda mapallets nemota uye chaizvo zvausingade pamusuwo, uko kuverenga mumwe munhu makamuri maviri kure imhosva. Chengetedza UHF yekutevera asset uye gedhi / chiziviso chemotokari.

Kana iwe uchiyera mabhendi pamutengo wakakwana kwete mutengo wekunamirwa, uku kuenzanisa kwemutengo we125 kHz vs 13.56 MHz yekuwana yekutonga zvitupa ishamwari inobatsira, sekutarisisa pakusarudza iyo frequency chaiyo yeRFID kiyi fobs.

Iyo Yekuenderana Yekutarisa Hapana Munhu Anomhanya Kusvikira Nguva Yanyanya Kunonoka

Mazhinji maodha akakundikana anogovera chikonzero chimwe chete: mutengi akafananidza frequency uye akafunga zvimwe. Mukuita, zvinhu zvina zvinofanirwa kuenderana - nguva zhinji, chiyero chekukurukurirana, chip mhuri, uye chimiro chechimiro (UID, kodhi yenzvimbo, kana proprietary encrypted application). A HID Prox muverengi anofuratira generic 125 kHz EM4100 fob kunyangwe ese ari "125 kHz," nekuti mafomati anosiyana. Pamberi pemaodha akawanda, shanda kuburikidza neizvi:

• Ziva muenzaniso wemuverengi.Verenga iyo label pane yakaiswa muverengi kana tarisa pane zvinyorwa zvepaneru. Brand uye firmware version zvese zvine basa - vamwe vaverengi vanongobvuma chedziviriro yeDESFire yepamusoro-mushure mekuvandudza firmware.
• Ongorora magwaro ekushanda aripo.Akadhindwa mamaki, kana kukurumidza scan ine diagnostic reader, kazhinji inoburitsa chip mhando uye fomati.
• Simbisa chimiro, kwete chipu chete.Bvunza kana sisitimu yacho ichitsigira paUID, pane kodhi kodhi, kana pane yakavharidzirwa application ine chaiwo makiyi.
• Kumbira muenzaniso uye uedze pavaverengi vako vari kurarama.Danho rimwe chete iri rinodzivirira kukundikana kwese kwese kwakakura-.
• Tsanangurai hukuru hwemuridzi.YeDESFire uye mamwe masisitimu akavharidzirwa, sarudza kuti ndiani anobata master kiyi uye kuti achasiyaniswa sei isati yagadzirwa, kwete mushure.

Paunenge uchibatanidza zvizvarwa zviviri zvevaverengi panguva yekuburitswa, adual-frequency key fobiyo inotakura zvese LF neHF chip inoita kuti chiziviso chivhure magonhi ekare uye matsva kamwechete - kazhinji mutsauko uripo pakati pekupera kwesvondo uye mwedzi wemagadzirirwo akafanana. Kune HID nharaunda chaizvo, chinyorwa ichi pakuhodha HID Prox-zvinofambiranainovhara zvinyorwa zvefomati zvinobata vanhu kunze.

RFID vs NFC: Imwe ndiyo Subset yeimwe

NFC haisi tekinoroji inokwikwidza kuRFID - ichidimbu che 13.56 MHz HF RFID chinowedzera nzira mbiri-kutaurirana, zvinova zvinoita kuti foni iite semuverengi kana chiziviso. Yese NFC mudziyo inoshandisa RFID nheyo; haisi yese RFID system inotaura NFC.

Musiyano iwoyo unosarudza kana mafoni anogona kutsiva fobs muchivako chako. Android's Host Card Emulation uye Apple's Wallet{{1}zvakavakirwa zvinyorwa zvinogona kushanda zvese sekiyi dzekuwana, asi chete kana muverengi, yekuwana-control software, uye yemvumo-provisioning nzira zvese zvinotsigira. Legacy LF vaverengi havagone kushandisa foni zvachose. Muchokwadi masangano mazhinji anomhanya ese ari maviri: encrypted fobs yevashandi nemakondirakiti, nharembozha dzakaturikidzana pamusoro painotsigirwa nevaverengi. Kuparadzana kwakazara kunogara mugwaro iri kumusiyano uripo pakati peRFID neNFC.

Cloning uye Chengetedzo: Chii Chinogona Kukopwa

"Inogona kugadzirwa?" ine mhinduro nhatu dzakatendeseka zvinoenderana nechip:

• Trivially cloneable- yakagadziriswa-UID LF machipi (EM4100, TK4100) uye chero UID isina kunyorwa{4}}chete system. Mukopa anobatwa nemaoko anozviita mune imwe pass.
• Cloneable nekuedza- MIFARE Classic. Crypto-1's utera huri pachena, saka munhu akatsunga anorwisa ane maturusi akakodzera anogona kudzoreredza makiyi.
• Engineered kuramba cloning- DESFire EV3 nezvimwe zveAES-zvakavakirwa, zvinotsamira pakusimbisana, makiyi echikamu chenguva, uye-kusiyana-siyana kwakakosha kuitira kuti kukanganisa fob imwe kurege kukanganisa hurongwa.

Iyo ngano yakajairika yekuti "chero RFID inogona kukopwa nefoni" inosanganisa kuverenga yakavhurika NTAG tag nekukunda cryptographic chokwadi. Foni inogona kutevedzera yakajeka NFC tag; haikwanise kugadzira kukwazisana kweDESFire. Kuti uwane kurapwa kwakazara kweiyo yekutyisidzira modhi, ona iyi pfupiso yeRFID data kuchengetedza.

Chip sarudzo inongova hafu yekutumirwa kwakachengeteka, zvakadaro. Iyo sisitimu dhizaini inotakura zvimwe:

• Tsiva legacy Wiegand wiring nayoOSDP, iyo inotsigira encrypted, inotariswa muverengi-ku-controller kutaurirana.
• Shandisakey diversificationsaka humbowo hwese hunotora kiyi yakasarudzika kubva kune kiyi master.
• Shandisabasa{{0}inoenderana nemvumo. Basa reNIST-Based Access Control modhi - ANSI/INCITS mwero - ndiyo inotevedzwa nemapuratifomu ekuwana bhizinesi anotevedzwa, uye inoronga zvakachena kuti zvivakwa zvinopa sei kuwana kuburikidza nebasa.
• Mhanyaikuongorora nguva dzose: ongorora matanda, kanzura zvitupa zvisina kushandiswa, tenderera makiyi, uye chengeta muverengi firmware ikozvino.
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Kutama Kwechokwadi, Tanga Kupedzisa

Patani iri pazasi inongofanana ne-saizi hofisi inotama kubva kune vaverengi veLF vachembera, uye inoratidza kuti sei sarudzo dzekutanga dzakabatana.

Chivakwa chine 125 kHz EM4100 fobs inosarudza kukwidziridza mushure mekunge muridzi wemba ataura zvakapetwa. Pane kuchinjanisa zvese kamwechete, vanoisa DESFire EV3{{4}vanokwanisa kuverenga pasi nepasi uye vanoburitsa kaviri-frequency fobs kuitira kuti vashandi vachengete chiziviso chimwe chete. Master makiyi anogadzirwa uye anobatwa nemutengi, akasiyana pafob, uye anobaiwa pafekitori isati yatumirwa. Vaverengi vanoenda kuOSDP sezvo pasi rega rega rinochekwa. Old LF-chete magonhi anoramba achishanda pane imwechete fob kusvika muverengi wekupedzisira atsiviwa, panguva iyo basa reLF rinongoregwa musoftware. Hapana chitupa chakaburitswa, hapana mutsara wekutambira.

Patani iri pazasi inongofanana ne-saizi hofisi inotama kubva kune vaverengi veLF vachembera, uye inoratidza kuti sei sarudzo dzekutanga dzakabatana.

Chivakwa chine 125 kHz EM4100 fobs inosarudza kukwidziridza mushure mekunge muridzi wemba ataura zvakapetwa. Pane kuchinjanisa zvese kamwechete, vanoisa DESFire EV3{{4}vanokwanisa kuverenga pasi nepasi uye vanoburitsa kaviri-frequency fobs kuitira kuti vashandi vachengete chiziviso chimwe chete. Master makiyi anogadzirwa uye anobatwa nemutengi, akasiyana pafob, uye anobaiwa pafekitori isati yatumirwa. Vaverengi vanoenda kuOSDP sezvo pasi rega rega rinochekwa. Old LF-chete magonhi anoramba achishanda pane imwechete fob kusvika muverengi wekupedzisira atsiviwa, panguva iyo basa reLF rinongoregwa musoftware. Hapana chitupa chakaburitswa, hapana mutsara wekutambira.

Pfungwa haisiriyo mhando - ndeyokuti nhanho, kiyi{{1}yemuridzi, mbiri-inoshandura dambudzo rinobvarura{3}}uye-kutsiva kuita basa rekumashure. Hurongwa ihwohwo hunogoneka chete nekuti chip (DESFire) nechimiro chechimiro (dual-frequency) zvakasarudzwa paine kutama mundangariro.

Dzimba uye Zvishandiso: Matanidza Zvakatipoteredza, Kwete iyo Catalog

Imba haiwanzo chinja kuverenga huwandu, asi inosarudza kuti fob inorarama kwenguva yakareba sei. Iyo chip uye antenna set performance; iyo shell inogadzirisa kusimba.

Pamamiriro ezvinhu akaoma, tsanangura IP67/IP68 sealing, −25 dhigirii kusvika +85 dhigirii rating, uye UV kuramba chero chinhu chasiiwa panze. Rutivi-ne-parutivi rwemateko maviri anonyanyozivikanwa rwakafukidzwa mune izviABS vs epoxy kiyi fob kuenzanisa. Apo chitarisiko chiri chikamu chechidimbu, adehwe RFID kiyi fobkana ayemapuranga eco{0}hushamwari kiyi fobinotakura logo iri nani pane yakaumbwa ABS.

Kuronga: Nzira nhatu dzekukodha Fob

"Programming" zvinoreva kunyora chitupa, makiyi, kana kuwana data muchip. Kuti unozviita sei zvinoenderana nechiyero uye chengetedzo:

1. Factory pre{0}}encoding.Mutengesi anonyora maUID kana magwaro asati atumirwa. Inokurumidza kuburitsa kukuru uye masisitimu ehotera; hapana pa-maturusi esaiti anodiwa.
2. Pa-encoding yepasaiti.Unopa zvitupa ne USB munyori kana yekupinda software yekunyoresa. Zvakanakisa kana migove ichichinja kazhinji uye iwe uchida kutonga kwakananga.
3. Chengetedza kiyi jekiseni.Kune DESFire neAES masisitimu, encryption kiyi uye maapplication anopihwa pasi pemamiriro akadzorwa, kazhinji pafekitori, saka zvitupa hazvigone kudzokororwa pasina mvumo.

Kune mavhoriyamu maodha, bvumirana izvo zvinoshanda kumberi: encoding throughput, kukanganisa kubata, UID yakasarudzika, kuwiriranisa dhatabhesi, uye kudhirowa kwekuongorora. Mabhizinesi anowanzo waya encoding muHR yavo kana chitupa system saka onboarding uye offboarding drive credential status otomatiki.

Common Deployments

Mahofisi anogadzirisa mapindiro, anosimudza, pasi, uye kupaka pakati, kuvandudza kodzero pasina kubata Hardware. Mahotera anopa zvitupa zvinopera panguva yekubhadhara - makanika anotsanangurwa muchikamu chino pamakadhi ekiyi ehotera anoshanda sei. Zvipatara zvinovharira zvitoro zvemishonga, marabhoritari, uye marekodhi zvine basa-nemvumo dzekutevedzwa. Mayunivhesiti anopeta kuwana, raibhurari, kupinda, uye kubhadhara mari isina mari pane chimwe chiziviso. Indasitiri saiti gedhi ine ngozi nzvimbo uye midziyo makamuri nebasa uye kuchinja. Muzviitiko zvese kuhwina kufamba kwakafanana: sarudza chip yedanho rekutyisidzira, wobva warega software ibate yasara.

Kutenga uye OEM Sourcing

Mutengo chinhu chekupedzisira kugadzirisa, kwete chekutanga. Shanda kuburikidza nezvinodiwa, ipapo chip, wozogadzirisa, wozopa mutengesi.

Kusarudzwa kwechip nedanho rekuchengetedza

• Low(yekugara, yekupaka): EM4100 / TK4100 / HID Prox.
• Pakati(mahofisi, zvikoro, nzvimbo dzekurovedza muviri): MIFARE Classic 1K kana NTAG.
• High(mari, hutano, hurumende): DESfire EV3 neAES uye kubvumirana kwechokwadi.
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Customization (OEM/ODM)

Vatengi vakawanda havawanzoda generic stock. Zvimwe zvingasarudzwa zvinosanganisira laser kana silk{1}screen print printing, UID encoding uye pre-programming, serial numbering, mavara echinyakare nemamold, uye QR/barcode integration - zvose zvinotsigira kushambadza, kurondwa kweasset, uye anti{4}counterfeiting. Rongedza izvi zvichienderana neanotengesaOEM / ODM kugonavasati vazvipira.

MOQ, nguva yekutungamira, uye vetting

Segwara rakakasharara, mastock modhi anomhanya 100–500 pcs, yakajairwa OEM 500–3,000 pcs, uye zvizere molds 5,000+ pcs, ine mutengo weyuniti uchidonha zvakanyanya pahuwandu. Nguva dzekutungamira dzinotora mazuva angangosvika 2–5 pastock, 7–15 mazuva eOEM yakajairwa, uye 15–{13}} mazuva ekushandisa maturusi; gadzira mubuffer yekubvumidza sampuli uye encoding bvunzo. Paunenge uchiongorora mutengesi, simbisa machipisi echokwadi (NXP, HID), encoding uye kuenderana-rutsigiro rwekuyedza, ISO/CE/RoHS certification, uye - -zvisingakurukurike - sampuli yemuviri isati yagadzirwa.

mhedziso

Sarudza chipu chedanho rako chairo rekutyisidzira, simbisa kuenderana nevaverengi vako chaivo usati wahodha pamwero, uye kubata encryption, OSDP, makiyi ekusiyana, uye basa-mvumo dzakavakirwa sesitimu imwechete kwete ina sarudzo. Kune-saiti dzekuchengetedzwa kwepamusoro, DESFire EV3 pamwe nekiyi{{4}yemuridzi, nzira yekutama ine nhanho ndiyo mhinduro yakasimba. Zvimwe zvese - zvemba, ruvara, mabrand - zviri pasi pekugadzirisa sarudzo nhatu idzodzo.

Kana iwe uri kuronga kukwidziridzwa kana kurongeka kwakawanda, cheki yekuenderana uye sampu yakaedzwa isati yagadzirwa inochengetedza zvakanyanya kupfuura zvavanodhura. Iwe unogona kukumbira sampuli yekuongorora kana quote kuti usimbise fobs yako inoenderana nesystem yako chero chinhu chisati chapinda mukushandisa.

FAQ

Pane chero RFID kiyi fob inogona kushanda nemumwe muverengi?

Kwete. Frequency, chiyero chekukurukurirana, chip mhuri, uye credential fomati zvese zvinofanirwa kuenderana. Maviri "125 kHz" mafobhu anogona kuramba asingaenderane kana mafomati akasiyana.

Ndeipi RFID kiyi fob yakachengeteka zvakanyanya?

MIFARE DESFire EV3 ine AES-128 uye kutendeseka ndicho chiripo chekuchengetedzwa kwepamusoro, chine chitupa cheEAL5+ chinofananidzwa nemachipi ekubhengi.

Ko RFID kiyi fobs inogona kuumbwa?

Yakagadziriswa-UID LF fobs inogadzirwa zviri nyore, MIFARE Classic inogona kugadzirwa nekuedza, uye DESFire/AES madhiri akanyatsogadzirwa kuti airambe.

Ko RFID kiyi fobs inoda mabhatiri?

Kwete. Passive fobs inotora simba kubva kumunda wemuverengi uye kazhinji inotora makore gumi kana kupfuura.

Iyo smartphone inogona kutsiva kiyi fob?

Dzimwe nguva. Nhare dzeNFC dzinogona kuita sehumbowo uko muverengi uye software inotsigira, asi legacy LF masisitimu haigone kushandisa mafoni zvachose. Mawebhusaiti mazhinji anomhanya ese ari maviri.

Chii chandinofanira kuita kana fob yakarasika?

Chirevedze, wodzimisa musisitimu nekuchimbidza - hapana kuchinja kwekiyi kunodiwa - buritsa imwe yekutsiva kubva kune yasara, uye ongorora zvinyorwa zvekupinda zvenguva yakanganiswa.

Ndeipi yakajairwa MOQ uye nguva yekutungamira yetsika fobs?

Standard OEM maodha anowanzo kutanga kutenderedza 500–3,000 pcs ine 7-15 zuva rekutungamira nguva; tsika mold inoda mavhoriyamu akakwira uye nguva yakareba yekushandisa. Gara uchikumbira muenzaniso kutanga.