RFID Key Fobs for Access Control: Sannikɛla ka gafe suguyaw, bɛnkan, lakana ani OEM sɔrɔcogo kan

RFID kilisi ye seere fitinin ye min tɛ se ka ɲɔgɔn sɔrɔ, min bɛ puce ni antɛni ta ani ka baarakɛla dɔ dɔn kalanbaga fɛ k’a sɔrɔ a ma ɲɔgɔn sɔrɔ farikolo la. O caman ka nɔgɔn. Fɛn min bɛ sannikɛla fanba lafili, o ye a duguma fɛn bɛɛ ye : ni fob bɛna kuma tiɲɛ na kalanbagaw fɛ minnu sirilen bɛ kogo la kaban, ni puce bɛ se ka €30 cloning device kɛlɛ, ani ni feerekɛla dɔ bɛ se ka 5000 units kode ka ɲɛ sanni u ka ci. Nin gafe in sɛbɛnna mɔgɔw ye minnu ye o latigɛw tigiw ye - IT ni yɔrɔw ɲɛmɔgɔw minnu bɛ sɛgɛsɛgɛli kɛ, ani sannifeere jɛkulu minnu bɛ RFID kilisiw sɔrɔ u hakɛ la.

Misali kelen min sɔngɔ ka gɛlɛn kosɛbɛ nin dakun in na, o ye komandi kɛli ye frequency (fɔkan) dɔrɔn kan. Tuma caman kɛli ka kan nka a tɛ se ka kɛ. Jɛ la, bɛnkan, lakana ani sɔrɔyɔrɔ bɛ jate i n’a fɔ latigɛ saba minnu bɛ a jira tiɲɛ na ni baarakɛcogo dɔ bɛ baara kɛ - ani ka kɛɲɛ ni o faratiw sigiyɔrɔma ye.

RFID Key Fob bɛ baara kɛ cogo min na (ani mun na a nafa ka bon sanni na)

Batiri tɛ fob pasif (fob pasif) la. Ni a donna kalanden dɔ ka foro la, antɛni bɛ fanga sɔrɔ o foro la, ka puce (puce) kunu, ka puce (puce) jaabi ka segin. Sitimɛ jɔnjɔn kɔnɔ jaabi ye dantigɛli jɔnjɔn dɔrɔn ye; sigida lakananen kɔnɔ fob ni kalanbaga bɛ bolonɔbila kɛ ni kripto ye sanni fɛn o fɛn ka gɛlɛn, o ka ɲɔgɔn falen. O kɔfɛ, kalanden kɔfɛ kunnafonidila bɛ o danyɔrɔ lajɛ ka kɛɲɛ n’a ka don sariyaw ye ani ka da wuli - walima ka ban sɛbɛn.

O kɔlɔlɔ nafama fila bɛ bɔ o la. A fɔlɔ, bawo fob pasifw bɛ fanga sɔrɔ kalanden fɛ, a ka c’a la, u bɛ mɛn ka tɛmɛ san tan kan ni ladonni tɛ u la, o de y’a to sow kɔnɔ dondaw bɛɛ bɛ se ka baara kɛ n’u ye sanni ka baara kɛ ni batiri-powered active tags ye. Filanan, danfara min bɛ "fob bɛ nimɔrɔ ci" ni "fob b'a jira ko a ye mɔgɔ min ye" o ye lakana maana bɛɛ ye - wa a bɛ latigɛ puce nivo la, sanni i ka miiri sow walima taamasiyɛnko la. N’aw b’a fɛ fizik ka dun kosɛbɛ, aw ye nin tiɲɛni in lajɛRFID kilisiw bɛ baara kɛ cogo min na dondaw kɔlɔsili kama.

Frequency ani Chip Type: A bɛ tali kɛ ɲɔgɔn na

Frequency band saba bɛ yen, wa u tɛ baara Kɛ ɲɔgɔn fɛ. 125 kHz kalanbaga tɛ se ka 13,56 MHz fob kalan, ani a kɔfɛ. Bandi kelen-kelen bɛɛ kɔnɔ, puce denbaya ni kumaɲɔgɔnya sariya bɛ bɛnkan dɔgɔya ka taa a fɛ.

125 kHz (Fɛrɛkan dɔgɔman) .

LF kɔrɔlen don, a sɔngɔ man gɛlɛn, wa a bɛ yafa nɛgɛ ni kuran mankan lamini na. Chips i n'a fɔEM4100 ani TK4100 kilisiwka nimɔrɔ jɔlen dɔ lase, kalan-dɔrɔn. O dannaya in fana ye gɛlɛya ye: nimɔrɔ jɔlen min tɛ ni kodɔn ye, o bɛ se ka kopi kɛ segin kɔnɔ ni duplicateur ye min sɔngɔ man gɛlɛn. LF sugandi dɔrɔn n’i bɛ LF kalanbaga kɔrɔw bɛn ɲɔgɔn ma walima ni cloning dɔrɔn tɛ i ka bagabagali modɛli dɔ ye - farikoloɲɛnajɛ finidon yɔrɔ, a fɔ, a tɛ kunnafonidilan ye.

13,56 MHz (Fɛrɛnkanba) .

HF ye default ye deployment kura o kura la lakana nafa ka bon yɔrɔ min na. A bɛ mara ISO/IEC 14443 sariya fɛ (ni ISO/IEC 15693 bɛ lamini puwɛnti janyalenw-dabɔ), o de y’a to HF seereyaw bɛ baara kɛ ɲɔgɔn fɛ saniya la kalanden minnu bɛ sariya labato. Chip denbaya saba de bɛ fanga la:

MIFARE Klasik 1K- basigilenba sigilen, musaka dɔgɔman, ani kun min na a bɛ ci hali bi a hakɛ la. Nka a ka Crypto-1 cipher tiɲɛna foroba la a san caman ye nin ye, o la a ka kan ka jate i n’a fɔ nɔgɔya seere, a man kan ka jate lakana ta ye. O ye sugandili hakilitigi ye tɔndenw ye, dumuniko wari tɛ min na, walima kɔnɔna da minnu na clone ye dimi ye sanni ka kɛ sariya tiɲɛni ye. KELEN13,56 MHz MIFARE 1K fɛnɲɛnamafagalanbɛ o ko fanba ɲɛfɔ.

MIFARE DESFire EV3 ye- sisan dantigɛli min bɛ lakana sɔrɔli sanfɛ-. NXP ka DESFire sɛbɛnw kelen-kelen bɛɛ la, a bɛ baara kɛ ni AES-128 fɛnɲɛnamafagalanw sirili ye, saba-tɛmɛɲɔgɔnya dantigɛli, ani per-application key management, ani IC bɛ Common Criteria EAL5+ seereyaw - ta, o ye kalasi kelen ye min ɲininen don banki ni e-passport puwɛntiw fɛ. A bɛ segin kɔ ni EV2 ni EV1 ye, o min b’a to jiginni dakunw bɛ kɛ tiɲɛ ye. N’i ​​bɛ ka gɔfɛrɛnaman ka boon dɔ, dɔgɔtɔrɔso furakɛlitɔn dɔ, walima tɔnba dɔ ka ɲɛmɔgɔso dɔ ɲɛfɔ, nin ye daminɛ ye, a tɛ fɛn ye min bɛ se ka wuli ka taa a fɛ ka jateminɛ kɛ kɔfɛ.

NTAG (NFC) ye .- dabɔra telefɔni{1}}kan kalanni jɛɲɔgɔnyaw kama sanni ka doncogo gɛlɛnw kɛ. Nafa bɛ a la taamakɛlaw ka tɛmɛsira la, fɛn dilannenw tiɲɛni na, ani feereli la, a ka dɔgɔ da lakananen na.

UHF ye

UHF bɛ kalan kɛ mɛtɛrɛw la, santimɛtɛrɛ tɛ, o ye i b’a fɛ tigitigi palɛtiw ni mɔbiliw la ani i t’a fɛ tigitigi min na da la, yɔrɔ min na ka mɔgɔ kalan min ni so fila cɛ ye, o ye jalaki ye. UHF mara walasa ka nafolo ladege ani ka da/mobili dɔn.

N’i ​​bɛ bandiw pese musaka bɛɛ lajɛlen kan sanni ka kɛ stika sɔngɔ kan, nin 125 kHz ni 13,56 MHz donko kɔlɔsili seereyaw musaka sumalen in ye taamaɲɔgɔn nafama ye, i n’a fɔ a lajɛ kosɛbɛ cogo min naka frequency ɲuman sugandi RFID key fobs kama.

Bɛnkansɛbɛn min bɛ wele ko Compatibilité Checklist Mɔgɔ si tɛ boli fo ka se a kɔfɛ

Koman minnu ma ɲɛ, olu fanba bɛ sababu ju kelen de ta: sannikɛla ye frequency bɛn ɲɔgɔn ma, ka tɔ ta. Tiɲɛ na, fɛn naani ka kan ka - frequency, communication standard, chip family, ani credential format (UID, facility code, walima propriété encrypté application) labɛn. HID Prox kalanbaga bɛna a janto 125 kHz EM4100 fob jenɛriki la hali ni u fila bɛɛ ye "125 kHz" ye, bawo a cogoya tɛ kelen ye. Sani caman ka komandi si kɛ, aw bɛ baara kɛ nin fɛ:

• Kalanbaga ka misali dɔn.Aw ye labeli kalan kalankɛlan sigilen dɔ kan walima ka panɛli sɛbɛnw lajɛ. Marka ni firimiwɛri suguya fila bɛɛ nafa ka bon - kalanden dɔw bɛ sɔn DESFire ka lakana baarakɛminɛn sanfɛla-firmware kurayali kɔfɛ dɔrɔn.
• Baarakɛsɛbɛn dɔ sɛgɛsɛgɛ min bɛ yen.Taamaʃyɛn sɛbɛnnenw, walima sɛgɛsɛgɛli teliya ni diagnostic reader ye, a ka c’a la, o bɛna puce suguya ni a cogoya jira.
• Aw ye a cogoya dafa, aw kana puce dɔrɔn de dafa.A ɲininka ni sistɛmu bɛ dantigɛli kɛ UID kan, yɔrɔ kode kan, walima porogaramu sirilen kan ni kilisi kɛrɛnkɛrɛnnenw ye.
• Aw ye misali dɔ ɲini ani k’a kɔrɔbɔ aw ka kalanbaga ɲɛnamaw kan.Nin sen kelen in bɛ dɛsɛba-ba bɛɛ lajɛlen bali.
• Aw ye fɛntigiya kunbabaw ɲɛfɔ.DESFire ni sistɛmu sirilen wɛrɛw kama, aw k’a latigɛ jɔn de bɛ master keys minɛ ani u bɛna fɛn caman kɛ cogo min na sani u ka dilan, aw kana kɛ o kɔfɛ.

Ni i bɛ ka kalandenw bɔnsɔn fila bridge (bridge) kɛ rollout (dafalen) dɔ senfɛ, afila-fɛrɛnkan kilisi fobmin bɛ LF ni HF puce fila bɛɛ ta, o b’a to seere kelen bɛ da kɔrɔ ni da kura da siɲɛ kelen - tuma caman na danfara bɛ dɔgɔkun laban tigɛcogo ni kalo kelen sitɛmu paralɛliw cɛ. Ka ɲɛsin HID sigidaw ma kɛrɛnkɛrɛnnenya la, nin sɛbɛn in kanHID Prox-seereyaw minnu bɛ bɛn ɲɔgɔn ma, olu komandibɛ kuma cogoya kunnafoniw kan minnu bɛ mɔgɔw minɛ ka bɔ kɛnɛ kan.

RFID vs NFC: Kelen ye tɔ kelen ka kulu fitinin ye

NFC tɛ RFID - ɲɔgɔndan fɛɛrɛ ye o ye 13,56 MHz HF RFID slice kɛrɛnkɛrɛnnen ye min bɛ sira fila- kumaɲɔgɔnya fara a kan, o de bɛ telefɔni bila ka kɛ kalanden ye walima seereyasɛbɛn. NFC minɛn bɛɛ bɛ baara kɛ ni RFID sariyakolow ye; RFID sitɛmu bɛɛ tɛ NFC fɔ.

O danfara de b’a latigɛ ni telefɔniw bɛ se ka fobi bila i ka boon kɔnɔ. Android ka Host Card Emulation ani Apple ka Wallet-seereyaw fila bɛɛ bɛ se ka baara kɛ i n’a fɔ dondaw kilisi, nka ni kalanden, don{2}}kɔlɔsili porogaramu, ani seereyaw-labɛncogo bɛɛ b’a dɛmɛ dɔrɔn. Legacy LF kalanbagaw tɛ se ka baara kɛ ni telefɔni ye fewu. Tiɲɛ na, jɛkulu fanba bɛ o fila bɛɛ kɛ : fob sirilenw baarakɛlaw ni baarakɛlaw ye, mobili seereyaw minnu bɛ layɛrɛ sanfɛ kalanden ka kurunba b’u dɛmɛ yɔrɔ min na. Tiɲɛni dafalen bɛ balo nin gafe in kɔnɔ kadanfara min bɛ RFID ni NFC cɛ.

Cloning ani Security: Fɛn min bɛ se ka kopi kɛ tiɲɛ na

"A bɛ se ka kɛ clone ye wa?" jaabi lakika saba bɛ a bolo ka kɛɲɛ ni puce ye:

• A bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min tɛ foyi ɲɛ- fixed-UID LF puwɛntiw (EM4100, TK4100) ani UID{1}}dɔrɔn sitɛmu o sitɛmu min ma siri. Bololabaarakɛla dɔ b’o kɛ tɛmɛsira kelen kɔnɔ.
• Cloneable ni cɛsiri ye- MIFARE Klasiki. Crypto-1 ka barikantanya ye foroba ye, o la binkannikɛla cɛsirilen min ka baarakɛminɛn ɲumanw bɛ a bolo, o bɛ se ka kilisiw sɔrɔ.
• A kɛra ɛntɛrinɛti ye walasa ka se ka cloning (clonage) kɛlɛ- DESFire EV3 ani AES-dafalen wɛrɛw, minnu bɛ u jigi da ɲɔgɔndɛsɛ kan, session keys dynamics, ani per-credential key diversification walasa fob kelen tiɲɛni kana sistɛmu tiɲɛ.

Miiriya min bɛ fɔ kosɛbɛ ko "RFID o RFID bɛ se ka kopi kɛ ni telefɔni ye" o bɛ NTAG taamasiyɛn dafalen kalanni ni kriptografiki dantigɛli se sɔrɔli fara ɲɔgɔn kan. Telefɔni bɛ se ka NFC taamasiyɛn gansan dɔ ladege; a tɛ se ka DESFire bolonɔbila dɔ forge. Walasa ka bagabagali modɛli furakɛ ka ɲɛ, aw ye nin jateminɛba in lajɛRFID kunnafoniw lakanani.

Chip sugandili ye deployment lakananen tilancɛ dɔrɔn ye, nka. Sistɛmu dilanni bɛ tɔw ta:

• Aw bɛ Wiegand wiring kɔrɔlenw falen niOSDP ye, min bɛ kalanden-ni-kɔlɔsilikɛla ka kumaɲɔgɔnya dɛmɛ, min bɛ kɔlɔsi.
• K'a nafa bɔ a lafɛn caman sɛgɛsɛgɛli kunbabawo la, seereyaw bɛɛ bɛ kilisi kɛrɛnkɛrɛnnen dɔ sɔrɔ kilisi kuntigi dɔ la.
• Ka waleyajɔyɔrɔ-basigi yamaruyaw. NIST jɔyɔrɔ-Based Access Control model - an ANSI/INCITS standard - ye kunnafoni ye min bɛ tugu baarakɛda ka dondaw fanba kɔ, wa a bɛ kariti saniya cogo min na sow bɛ doncogo di tiɲɛ na baara baarakɛcogo fɛ.
• Ka bolisɛgɛsɛgɛliw kɛli tuma bɛɛ: ka sɛbɛnw lajɛ, ka seereyaw bɔ yen minnu ma baara kɛ, ka kilisi wuli, ani ka kalanden ka firimiwɛri to u cogo la.
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A Real Migration, A daminɛ fo ka se a laban ma

Nin misali min bɛ duguma, o ye biro cɛmancɛ-taama ye min bɛ bɔ LF kalanbaga kɔrɔbaw la, wa a b’a jira mun na desizɔn fɔlɔw bɛ fara ɲɔgɔn kan.

So min bɛ baara kɛ ni 125 kHz EM4100 fobs ye, o b’a latigɛ ka fɛn caman sɛmɛntiya, sotigi dɔ ye seereyaw fɔlenw fɔ kɔfɛ. Sani u ka fɛn bɛɛ ɲɔgɔn falen-falen siɲɛ kelen, u bɛ DESFire EV3-kalanbaga setigiw sigi duguma duguma ani ka dual-frequency fobs bɔ walasa baarakɛlaw ka seere kelen mara a bɛɛ kɔnɔ. Master keys bɛ dilan ka minɛ kiliyan fɛ, ka fɛn caman dilan fob kelen-kelen bɛɛ la, ka pikiri kɛ izini na sani u ka ci. Kalanbagaw bɛ taa OSDP la ni sankanso kelen-kelen bɛɛ tigɛlen don. LF-dɔrɔn da kɔrɔw bɛ to ka baara kɛ fob kelen kan fo ka se kalanden laban ka cili ma, o waati la LF baarakɛcogo bɛ lafiɲɛbɔ dɔrɔn porogaramuw kɔnɔ. Sɛbɛnni seginni tɛ kɛ, lobby layidu tɛ.

Nin misali min bɛ duguma, o ye biro cɛmancɛ-taama ye min bɛ bɔ LF kalanbaga kɔrɔbaw la, wa a b’a jira mun na desizɔn fɔlɔw bɛ fara ɲɔgɔn kan.

So min bɛ baara kɛ ni 125 kHz EM4100 fobs ye, o b’a latigɛ ka fɛn caman sɛmɛntiya, sotigi dɔ ye seereyaw fɔlenw fɔ kɔfɛ. Sani u ka fɛn bɛɛ ɲɔgɔn falen-falen siɲɛ kelen, u bɛ DESFire EV3-kalanbaga setigiw sigi duguma duguma ani ka dual-frequency fobs bɔ walasa baarakɛlaw ka seere kelen mara a bɛɛ kɔnɔ. Master keys bɛ dilan ka minɛ kiliyan fɛ, ka fɛn caman dilan fob kelen-kelen bɛɛ la, ka pikiri kɛ izini na sani u ka ci. Kalanbagaw bɛ taa OSDP la ni sankanso kelen-kelen bɛɛ tigɛlen don. LF-dɔrɔn da kɔrɔw bɛ to ka baara kɛ fob kelen kan fo ka se kalanden laban ka cili ma, o waati la LF baarakɛcogo bɛ lafiɲɛbɔ dɔrɔn porogaramuw kɔnɔ. Sɛbɛnni seginni tɛ kɛ, lobby layidu tɛ.

O kuma tɛ marka kɛrɛnkɛrɛnnen ye - o ye ko fasa, key-owned, dual-frequency fɛɛrɛ bɛ rip-ka -replace tigɛli kɛ kɔkanna baara ye. O labɛn in bɛ Se ka Kɛ dɔrɔn bawo puce (DESFire) ni form factor (dual-frequency) sugandira ni jiginni hakili la.

Sow ni fɛnw: U bɛ bɛn sigida ma, u kana bɛn ni gafesɛbɛn ye

Sow man teli ka kalan hakɛ Changé kosɛbɛ, nka a de bɛ a latigɛ fob bɛ balo waati hakɛ min na. Puce ni antenna set baarakɛcogo; a bɔgɔdaga bɛ muɲuli sigi.

Ni cogoya gɛlɛnw don, aw bɛ IP67/IP68 sigicogo jira, degere −25 fo degere +85, ani UV kɛlɛli fɛn o fɛn tora kɛnɛma. Kɛrɛfɛ-kɛrɛ-kɛrɛ dɔ bɛ dabɔ o laABS ni epoxy key fob ka ɲɔgɔn sanga. Yɔrɔ min na yecogo ye sɛbɛn surun dɔ ye, aRFID fɛnɲɛnamafagalan min bɛ kɛ ni wuluwulu yewalima ajiri eko-terikɛ kilisibɛ logo dɔ ta min ka fisa kosɛbɛ ni ABS moulé ye.

Porogaramu: Fɛɛrɛ saba minnu bɛ se ka kɛ ka Fob dɔ kodɔn

"Porogaramu" kɔrɔ ye ka identité, keys, walima access data sɛbɛnni kɛ puce kɔnɔ. I b’a kɛ cogo min na, o bɛ bɔ a bonya ni a lakanani de la:

1. Izini ka kɔn-kodɔn ɲɛ.Fɛn dilanbaga bɛ UID walima seereyaw sɛbɛn sani u ka ci. Teliya ka bon kosɛbɛ rollouts belebelew ni lotɛli sitɛmuw la; on{1}}site baarakɛminɛnw mago tɛ.
2. On-site kodɔn.I bɛ seereyaw di ni USB sɛbɛnnikɛlan ye walima ni access panel ka mɔgɔ tɔgɔ sɛbɛnni porogaramu ye. A ka fisa ni baara minnu bɛ kɛ tuma caman na ani ni i b’a fɛ ka i yɛrɛ minɛ i yɛrɛ la.
3. Aw bɛ kilisi pikiri kɛ ka a tanga.DESFire ni AES sitɛmuw ta fan fɛ, kodɔn kilisiw ni baarakɛminɛnw bɛ labɛn cogoyaw la minnu bɛ kɔrɔsi, tuma caman na izini na, o la, seereyaw tɛ se ka ɲɔgɔn kɛ ni yamaruya ma di.

Ni aw bɛ fɔlifɛnw yamaruya, aw bɛ bɛn kunnafoni nafamaw ma ka kɔn o ɲɛ: kodɔn kɛcogo, filiw ɲɛnabɔcogo, UID danfara, kunnafonidilanw sinsincogo, ani jatebɔ sɛbɛnni. A ka c’a la, baarakɛda minnu bɛ kodɔn fili u ka HR walima u ka identité system kɔnɔ o la onboarding ni offboarding bɛ seereyaw cogoya bila u yɛrɛma.

Deployments (baarakɛcogo minnu bɛ kɛ tuma caman na).

Birow bɛ dondaw, lifatanw, duguma ani bolifɛnw jɔyɔrɔw ɲɛnabɔ cɛmancɛ la, ka josariyaw sɛmɛntiya k’a sɔrɔ u ma maga fɛnɲɛnamafagalanw na. Lotɛliw bɛ seereyaw di minnu bɛ ban jatebɔ waati - mekanikiw ɲɛfɔlen don nin yɔrɔ in na kanlotɛli kilisi kartiw bɛ baara kɛ cogo min na. Dɔgɔtɔrɔsow bɛ furakɛlisow, laboratuwariw ani sɛbɛnw datugu ni jɔyɔrɔ-daɲɛw ye minnu sinsinnen bɛ sariya labatoli kan. Inivɛrisitew bɛ sɔrɔli, gafemarayɔrɔ, kalandenw ka na, ani wari sarali dabɔ seere kelen kan. Industriw ka yɔrɔw bɛ farati yɔrɔw ni minɛnw so da tugu jɔyɔrɔ ni ɲɔgɔn falen-falen fɛ. O bɛɛ la, se sɔrɔli taama ye kelen ye: puce (puce) ta ka ɲɛsin bagabagali hakɛ ma, o kɔfɛ, a to porogaramu ka tɔw ɲɛnabɔ.

Sanni ni OEM Sourcing

Sɔngɔ ye fɛn laban ye min ka kan ka ɲɛ, a tɛ fɔlɔ ye. Baara kɛ ni wajibiyalenw ye, o kɔfɛ puce, o kɔfɛ customisation, o kɔfɛ supplier.

Puce sugandili ka kɛɲɛ ni lakana hakɛ ye

• Fɛ́gɛn(sigiyɔrɔ, bolifɛnw jɔyɔrɔ): EM4100 / TK4100 / HID Prox.
• Hakɛ(birow, lakɔlisow, farikoloɲɛnajɛyɔrɔw): MIFARE Classic 1K walima NTAG.
• Jamanjan(nafolo, kɛnɛyako, gɔfɛrɛnaman): DESFire EV3 ni AES ye ani ɲɔgɔndɛmɛ.
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Ka kɛɲɛ ni mɔgɔw sago ye (OEM/ODM) .

Sannikɛlaw caman man teli k’a fɛ ka stock jenɛriki sɔrɔ. Sugandili minnu bɛ kɛ cogoya la, olu ye laser walima siliki-ekran logo sɛbɛnni ye, UID kodeli ani ka kɔn{2}}porogaramu kɛ, seriyali nimɔrɔw, kulɛriw ni mɔbiliw ladamulenw, ani QR/barcode jɛ-ka-baara - minnu bɛɛ bɛ taamasiyɛnw dɛmɛ, nafolo nɔfɛtaama, ani anti{1}}nɛgɛjuru. Scope ninnu ka kɛɲɛ ni supplier dɔ ta yeOEM/ODM seko ni dɔnkosani a ka kɛ.

MOQ, ɲɛmɔgɔya waati, ani sɛgɛsɛgɛli

I n’a fɔ ɲɛjiralan gɛlɛn, stock models bɛ boli 100–500 pcs, standard OEM 500–3,000 pcs, ani fully custom molds 5,000+ pcs, ni unit musaka bɛ jigin kosɛbɛ ni volume ye. Lead times bɛ kɛ tile 2–5 ɲɔgɔn na stock la, tile 7–15 OEM standard la, ani tile 15–30+ custom tooling la; jɔ buffer kɔnɔ walasa ka misali sɔnni ni kodeli sɛgɛsɛgɛliw kɛ. Ni aw bɛ feerekɛla dɔ sɛgɛsɛgɛ, aw bɛ puwɛnti lakikaw (NXP, HID), kodɔn ni bɛnkan-sɛgɛsɛgɛli dɛmɛ-sɛgɛsɛgɛli dɛmɛni, ISO/CE/RoHS seereyaw, ani - min tɛ{17}}negosiable -negosiable - farikolo tacogo dafa sani a ka kɛ jamaba ye.

kuncɛli

Puce sugandi i ka bagabagali hakɛ yɛrɛ kama, ka bɛnkan sɛgɛsɛgɛ i ka kalanden lakikaw fɛ sani i ka komandi kɛ sɛgɛsɛgɛli la, ani ka encryption, OSDP, key diversification, ani role{0}}based permissions jate i n’a fɔ sistɛm kelen sanni ka kɛ sugandi naani ye. Lakanali yɔrɔw la minnu ka bon-, DESFire EV3 faralen ɲɔgɔn kan ka fara kilisi-ta, jiginni sira kan, o ye jaabi sabatilen ye. Fɛn tɔw bɛɛ - so, kulɛri, taamasiyɛn - bɛ duguma o latigɛ saba sɔrɔli la ka ɲɛ.

N’i ​​b’a fɛ ka fɛn dɔ sɛmɛntiya walima ka komandi caman kɛ, bɛnkansɛbɛnni sɛgɛsɛgɛli ani misali kɔrɔbɔlen sani a ka dilan, o bɛna wari caman bɔ ka tɛmɛ u musakaw kan. Aw bɛ se ka misali jateminɛ walima quotation ɲini walasa k’a jira ko aw ka fobs bɛ bɛn aw ka sistɛm ma sani fɛn o fɛn ka don baarakɛminɛnw na.

Ɲininkaliw

Yala RFID kilisi dɔ bɛ se ka baara kɛ ni kalanden dɔ ye wa?

Ayi, Frequency, communication standard, chip family, ani credential format bɛɛ ka kan ka bɛn. "125 kHz" fob fila bɛ se ka kɛ hali bi u tɛ bɛn ɲɔgɔn ma ni u cogoya tɛ kelen ye.

RFID kilisi jumɛn de lakananen don kosɛbɛ?

MIFARE DESFire EV3 ni AES-128 ani ɲɔgɔndɛsɛ ye sisan lakanaba dantigɛli ye, min bɛ EAL5+ seereyaw ta min bɛ se ka suma ni banki puwɛntiw ye.

Yala RFID kilisiw bɛ se ka kɛ clone ye wa?

Fixed-UID LF fobs bɛ clone nɔgɔya la, MIFARE Classic bɛ se ka clone ni cɛsiri ye, ani DESFire/AES seereyaw bɛ kɛ kɛrɛnkɛrɛnnenya la engineer ye walasa k’a kɛlɛ.

Yala RFID kilisiw mago bɛ batiriw la wa?

Ayi, fob pasifw bɛ fanga sɔrɔ kalanden ka foro la, wa a ka c’a la, u bɛ mɛn san tan walima ka tɛmɛ o kan.

Yala telefɔni seleke naani bɛ se ka kɛ ka kilisi dɔ bila a nɔ na wa?

Tuma dɔ. NFC telefɔniw bɛ se ka kɛ seereyaw ye yɔrɔ minnu na kalanden ni porogaramuw b’a dɛmɛ, nka LF sitɛmu kɔrɔw tɛ se ka baara kɛ ni telefɔniw ye fewu. Siti caman bɛ o fila bɛɛ ɲɛminɛ.

Ni fob dɔ tununna, ne ka kan ka mun kɛ?

A fɔ, k’a dabila sistɛmu kɔnɔ o yɔrɔnin bɛɛ - no lock changes needed - ka fɛn dɔ bɔ a nɔ na ka bɔ spare stock la, ani ka don sɛbɛnw lajɛ waati min tɔɔrɔla.

Mun ye MOQ cogoya ye ani waati min bɛ kɛ ka kɛɲɛ ni ladamu fobs ye?

A ka c’a la, OEM komandi jɔnjɔnw bɛ daminɛ 500–3000 pcs lamini na ni tile 7–15 kɔnɔna na; ladamu mɔliw mago bɛ hakɛ caman na ani baarakɛminɛnw waati jan. Aw bɛ misali dɔ ɲini tuma bɛɛ fɔlɔ.