RFID Cov Ntsiab Lus Fobs rau Kev Tswj Xyuas Kev Tswj: Tus Neeg Yuav Khoom Qhia rau Hom, Kev Sib Raug Zoo, Kev Ruaj Ntseg, thiab OEM Sourcing

RFID tseem ceeb fob yog ib daim ntawv pov thawj me me uas tsis muaj ntawv pov thawj uas nqa lub nti thiab kav hlau txais xov thiab txheeb xyuas tus neeg siv rau tus nyeem ntawv yam tsis muaj kev sib cuag lub cev. Qhov ntau yog qhov yooj yim. Yuav ua li cas mus ncig ua si los ntawm cov neeg yuav khoom feem ntau yog txhua yam hauv qab ntawm nws: seb lub fob puas yuav tham nrog cov neeg nyeem twb tau bolted rau ntawm phab ntsa, seb lub nti tuaj yeem tiv taus € 30 cloning ntaus ntawv, thiab seb tus neeg muag khoom puas tuaj yeem nkag 5,000 units kom raug ua ntej lawv nkoj. Phau ntawv qhia no yog sau rau cov neeg uas muaj cov kev txiav txim siab no - IT thiab cov chaw tswj xyuas kev txhim kho, thiab pab pawg muag khoom nrhiav RFID fobs tseem ceeb hauv ntim.

Ib qho yuam kev kim tshaj plaws hauv pawg no yog xaj ntawm zaus ib leeg. Ntau zaus yog qhov tsim nyog tab sis tsis txaus. Hauv qab no, kev sib raug zoo, kev ruaj ntseg, thiab kev xa khoom raug kho raws li peb qhov kev txiav txim siab uas txiav txim siab seb qhov kev xa mus ua haujlwm li cas - thiab kwv yees li ntawm qhov kev pheej hmoo.

Yuav ua li cas RFID Key Fob Ua Haujlwm (thiab Vim Li Cas Nws Tseem Ceeb Rau Kev Yuav)

Passive fob tsis muaj roj teeb. Thaum nws nkag mus rau tus nyeem ntawv lub teb, tus kav hlau txais xov sau lub zog ntawm daim teb ntawd, tsa lub nti, thiab cov nti teb rov qab. Nyob rau hauv lub hauv paus system cov lus teb tsuas yog ib tug identifier ruaj; nyob rau hauv ib tug ruaj ntseg system tus fob thiab nyeem ntawv khiav ib tug cryptographic handshake ua ntej txhua yam rhiab heev yog pauv. Tus maub los tom qab tus nyeem ntawv ces kuaj xyuas tus kheej tawm tsam nws txoj cai nkag thiab qhib lub qhov rooj - lossis kaw qhov tsis lees paub.

Ob lub tswv yim yuav tshwm sim los ntawm qhov no. Ua ntej, vim tias cov fobs passive rub lub zog los ntawm tus nyeem ntawv, lawv feem ntau kav ntev tshaj li kaum xyoo uas tsis muaj kev saib xyuas, uas yog vim li cas yuav luag txhua lub tsev nkag siv lawv ntau dua li roj teeb - lub zog ua haujlwm tag. Qhov thib ob, qhov sib txawv ntawm "fob xa tus lej" thiab "fob ua pov thawj nws yog leej twg" yog tag nrho cov dab neeg kev ruaj ntseg - thiab nws tau txiav txim siab ntawm qib nti, ua ntej koj puas tau xav txog vaj tse lossis khoom lag luam. Yog tias koj xav tau physics hauv qhov tob ntxiv, saib qhov kev tawg ntawm noYuav ua li cas RFID tseem ceeb fobs ua haujlwm rau kev tswj kev nkag.

Zaus thiab Chip Hom: Kev Txiav Txim Siab

Muaj peb zaus bands, thiab lawv tsis interoperate. Tus nyeem ntawv 125 kHz tsis tuaj yeem nyeem 13.56 MHz fob, thiab rov ua dua. Nyob rau hauv txhua pawg, chip tsev neeg thiab kev sib txuas lus qauv nqaim compatibility ntxiv.

125 kHz (tsawg zaus)

LF yog qub, pheej yig, thiab zam ib puag ncig ntawm cov hlau thiab hluav taws xob suab nrov. Chips zoo liEM4100 thiab TK4100 tseem ceeb fobstshaj tawm ib qho ruaj khov, nyeem -tsuas yog tus lej. Qhov kev cia siab ntawd kuj yog qhov teeb meem: tus lej tas uas tsis muaj encryption tuaj yeem luam tau hauv vib nas this los ntawm tus nqi pheej yig duplicator. Xaiv LF tsuas yog thaum koj sib piv cov neeg nyeem LF uas twb muaj lawm lossis thaum cloning tsuas yog tsis yog ib feem ntawm koj tus qauv kev hem thawj - chav tsev chav ua si, hais, tsis yog lub chaw khaws ntaub ntawv.

13.56 MHz (Hloov zaus)

HF yog lub neej ntawd rau txhua qhov kev xa tawm tshiab uas muaj kev ruaj ntseg tseem ceeb. Nws yog tswj hwm los ntawm ISO / IEC 14443 tus qauv (nrog ISO / IEC 15693 npog ntev dua -cov chips nyob ib puag ncig), yog vim li cas HF cov ntaub ntawv pov thawj cuam tshuam kev ua haujlwm huv ntawm cov neeg nyeem raws cai. Peb tsev neeg chip dominate:

MIFARE Classic 1K- lub hauv paus loj heev, tus nqi qis, thiab yog vim li cas nws tseem nyob hauv ntim. Tab sis nws Crypto-1 cipher tau tawg rau pej xeem ntau xyoo dhau los, yog li nws yuav tsum tau kho raws li qhov yooj yim daim ntawv pov thawj, tsis yog kev ruaj ntseg. Nws yog qhov kev xaiv zoo rau kev ua tswv cuab, kev noj zaub mov tsis muaj nyiaj, lossis lub qhov rooj sab hauv uas lub clone yog kev ntxhov siab ntau dua li kev ua txhaum cai. A13.56 MHz MIFARE 1K yuam sij fobnpog feem ntau ntawm cov xwm txheej ntawd.

MIFARE DESFire EV 3- qhov ntsuas tam sim no rau siab - kev nyab xeeb nkag. Raws li NXP's DESFire cov ntaub ntawv, nws siv AES-128 kho vajtse encryption, peb- dhau qhov kev lees paub qhov tseeb, thiab ib qho kev tswj hwm qhov tseem ceeb ntawm daim ntawv thov, thiab IC nqa cov ntawv pov thawj Common EAL5+ daim ntawv pov thawj - tib chav kawm uas xav tau-passport chips thiab e. Nws yog rov qab tau tshaj EV2 thiab EV1, uas ua rau phased migration realistic. Yog tias koj tab tom qhia txog tsoomfwv lub tsev, lub tsev muag tshuaj hauv tsev kho mob, lossis chaw ua haujlwm HQ, qhov no yog qhov pib, tsis yog kev hloov kho tshiab los xav txog tom qab.

NTAG (NFC)- tsim los rau lub xov tooj- nyeem tau kev sib cuam tshuam es tsis yog kev nkag mus tau nyuaj. Muaj txiaj ntsig zoo rau cov neeg tuaj saib, kev lees paub cov khoom lag luam, thiab kev lag luam, tsawg dua rau lub qhov rooj ruaj ntseg.

UHF

UHF nyeem ntawm metres, tsis yog centimeters, uas yog raws nraim qhov koj xav tau rau pallets thiab tsheb thiab raws nraim qhov koj tsis xav tau rau lub qhov rooj, qhov twg nyeem ib tug ob chav nyob deb yog lub luag haujlwm. Khaws UHF rau kev taug qab cov cuab yeej cuab tam thiab lub rooj vag / tsheb txheeb xyuas.

Yog tias koj tab tom ntsuas cov qhab nia ntawm tag nrho cov nqi ntau dua li tus nqi daim ntawv lo, qhov kev sib piv ntawm tus nqi ntawm 125 kHz vs 13.56 MHz kev nkag mus tswj cov ntaub ntawv pov thawj yog ib qho tseem ceeb ntawm tus khub, zoo li yog saib ze dua.xaiv qhov zoo zaus rau RFID key fobs.

Daim ntawv txheeb xyuas Compatibility Tsis muaj leej twg khiav mus txog thaum nws lig dhau lawm

Feem ntau cov kev txiav txim ua tsis tiav qhia ib lub hauv paus ua rau: tus neeg yuav khoom sib tw zaus thiab xav tias tus so. Hauv kev xyaum, plaub yam yuav tsum tau ua raws li - zaus, kev sib txuas lus tus qauv, chip tsev neeg, thiab daim ntawv pov thawj (UID, chaw siv code, lossis daim ntawv thov muaj npe nkag). Tus nyeem ntawv HID Prox yuav tsis quav ntsej txog 125 kHz EM4100 fob txawm tias ob qho tib si yog "125 kHz," vim tias hom ntawv txawv. Ua ntej txhua qhov kev txiav txim ntau, ua haujlwm los ntawm qhov no:

• Txheeb xyuas tus qauv nyeem ntawv.Nyeem daim ntawv lo rau ntawm tus nyeem ntawv ntsia los yog tshawb xyuas cov ntaub ntawv vaj huam sib luag. Hom thiab firmware version ob qho tib si tseem ceeb - qee cov neeg nyeem tsuas yog lees txais DESFire qhov siab dua - daim ntawv thov kev nyab xeeb tom qab hloov kho firmware.
• Tshawb xyuas daim ntawv pov thawj ua haujlwm uas twb muaj lawm.Cov ntawv luam tawm, lossis scan nrawm nrog tus nyeem ntawv kuaj mob, feem ntau yuav qhia cov nti thiab hom ntawv.
• Paub meej tias hom ntawv, tsis yog lub nti xwb.Nug seb lub kaw lus puas lees paub ntawm UID, ntawm qhov chaw nyob, lossis ntawm daim ntawv thov nkag nrog cov yuam sij tshwj xeeb.
• Thov ib tus qauv thiab sim nws ntawm koj cov neeg nyeem nyob.Qhov no ib kauj ruam tiv thaiv yuav luag txhua qhov loj - tsis ua haujlwm.
• Qhia meej txog kev ua tswv cuab tseem ceeb.Rau DESFire thiab lwm lub tshuab encrypted, txiav txim siab leej twg tuav tus tswv yuam sij thiab yuav ua li cas lawv yuav muaj ntau haiv neeg ua ntej ntau lawm, tsis yog tom qab.

Thaum koj tab tom txuas ob tiam neeg nyeem ntawv thaum lub sijhawm nthuav tawm, adual{0}}frequency key fobuas nqa ob qho tib si LF thiab HF nti cia ib daim ntawv pov thawj qhib lub qhov rooj qub thiab tshiab ib zaug - feem ntau qhov sib txawv ntawm ib lub lis piam cutover thiab ib hlis ntawm cov kab ke sib txuas. Rau HID ib puag ncig tshwj xeeb, daim ntawv no rauxaj HID Prox-cov ntaub ntawv pov thawj siv taunpog cov ntsiab lus hom uas ntes tib neeg tawm.

RFID vs NFC: Ib qho yog Subset ntawm Lwm Tus

NFC tsis yog kev sib tw thev naus laus zis rau RFID - nws yog ib qho tshwj xeeb ntawm 13.56 MHz HF RFID uas ntxiv ob - txoj kev sib txuas lus, uas yog qhov ua rau lub xov tooj ua tus nyeem ntawv lossis daim ntawv pov thawj. Txhua NFC cov cuab yeej siv RFID cov ntsiab lus; tsis yog txhua qhov RFID hais lus NFC.

Qhov kev sib txawv ntawd txiav txim siab seb cov xov tooj puas tuaj yeem hloov fobs hauv koj lub tsev. Android's Host Card Emulation thiab Apple's Wallet-raws li cov ntaub ntawv pov thawj tuaj yeem ua haujlwm raws li tus yuam sij nkag, tab sis tsuas yog thaum tus nyeem ntawv, kev nkag tau - tswj software, thiab daim ntawv pov thawj - txoj kev muab txhua txoj kev txhawb nqa nws. Legacy LF cov neeg nyeem tsis tuaj yeem siv lub xov tooj txhua. Nyob rau hauv qhov tseeb feem ntau cov koom haum khiav ob qho tib si: encrypted fobs rau cov neeg ua hauj lwm thiab cov neeg ua hauj lwm cog lus, mobile daim ntawv pov thawj nyob rau saum toj qhov twg cov neeg nyeem fleet txhawb lawv. Kev puas tsuaj tag nrho nyob hauv phau ntawv qhia noQhov txawv ntawm RFID thiab NFC.

Cloning thiab Kev Ruaj Ntseg: Yuav Ua Li Cas Tiag Tiag

"Nws puas tuaj yeem cloned?" muaj peb cov lus teb ncaj ncees nyob ntawm lub nti:

• Trivally cloneable- tsau-UID LF chips (EM4100, TK4100) thiab ib qho UID uas tsis tau encrypted-tsuas yog qhov system. Lub tshuab luam ntawv nqa tau ua nws hauv ib qho dhau los.
• Cloneable nrog rau kev siv zog- MIFARE Classic. Crypto-1 qhov tsis muaj zog yog pej xeem, yog li tus neeg tawm tsam txiav txim siab nrog cov cuab yeej zoo tuaj yeem rov qab cov yuam sij.
• Engineered los tiv thaiv cloning- DESFire EV3 thiab lwm yam AES-raws li cov ntaub ntawv pov thawj, uas tso siab rau kev sib koom ua pov thawj, cov yuam sij kev sib tham tsis zoo, thiab ib qho - ntawv pov thawj tseem ceeb sib txawv kom muaj kev cuam tshuam rau ib qho fob tsis cuam tshuam rau lub cev.

Cov lus dab neeg hais tias "txhua RFID tuaj yeem luam tau nrog lub xov tooj" conflates nyeem ib qho qhib NTAG nrog defeating cryptographic authentication. Ib lub xov tooj tuaj yeem ua raws li NFC tag; nws tsis tuaj yeem tsim kev sib tuav tes DESFire. Rau kev kho kom puv puv ntawm tus qauv kev hem thawj, saib cov ntsiab lus ntawm noRFID cov ntaub ntawv kev ruaj ntseg.

Chip xaiv tsuas yog ib nrab ntawm kev xa khoom ruaj ntseg, txawm li cas los xij. Lub system tsim yog nqa tawm:

• Hloov cov cuab yeej cuab tam Wiegand txuas nrogOSDP, uas txhawb encrypted, saib xyuas nyeem ntawv - rau - tswj kev sib txuas lus.
• Sivtseem ceeb diversificationyog li txhua daim ntawv pov thawj muab tau tus yuam sij tshwj xeeb los ntawm tus yuam sij tus tswv.
• Thovlub luag haujlwm- raws li kev tso cai. Lub luag hauj lwm NIST-Raws li kev tswj hwm tus qauv - tus qauv ANSI/INCITS - yog cov ntaub ntawv siv feem ntau cov lag luam nkag mus rau platforms ua raws, thiab nws daim duab qhia meej txog yuav ua li cas cov tuam tsev tau txais kev nkag los ntawm txoj haujlwm.
• Khiavkev tshuaj xyuas tsis tu ncua: tshuaj xyuas cov cav, tshem tawm cov ntawv pov thawj uas tsis siv, tig cov yuam sij, thiab khaws cov neeg nyeem ntawv firmware tam sim no.
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Kev tsiv teb tsaws chaw tiag tiag, pib ua kom tiav

Cov qauv hauv qab no yog ib qho ntawm ib nrab ntawm - qhov chaw ua haujlwm loj txav tawm cov neeg laus LF cov neeg nyeem, thiab nws qhia tias vim li cas qhov kev txiav txim siab ua ntej ua ke.

Ib lub tsev khiav 125 kHz EM4100 fobs txiav txim siab hloov kho tom qab tus neeg xauj tsev tshaj tawm cov ntaub ntawv pov thawj. Hloov dua li sib pauv txhua yam ib zaug, lawv nruab DESFire EV3- muaj peev xwm nyeem ntawv hauv pem teb thiab teeb tsa dual-fwb zaus kom cov neeg ua haujlwm khaws ib daim ntawv pov thawj thoob plaws. Cov yuam sij Master yog tsim thiab tuav los ntawm tus neeg siv khoom, muaj ntau hom fob, thiab txhaj tshuaj ntawm lub Hoobkas ua ntej xa khoom xa tuaj. Cov neeg nyeem txav mus rau OSDP raws li txhua lub tsev raug txiav. Lub qhov rooj qub LF nkaus xwb tseem ua haujlwm ntawm tib fob kom txog thaum tus nyeem ntawv kawg hloov, thaum lub sijhawm LF muaj nuj nqi tsuas yog so haujlwm hauv software. Tsis muaj ntawv pov thawj rov qab, tsis muaj chaw tos txais tos.

Cov qauv hauv qab no yog ib qho ntawm ib nrab ntawm - qhov chaw ua haujlwm loj txav tawm cov neeg laus LF cov neeg nyeem, thiab nws qhia tias vim li cas qhov kev txiav txim siab ua ntej ua ke.

Ib lub tsev khiav 125 kHz EM4100 fobs txiav txim siab hloov kho tom qab tus neeg xauj tsev tshaj tawm cov ntaub ntawv pov thawj. Hloov dua li sib pauv txhua yam ib zaug, lawv nruab DESFire EV3- muaj peev xwm nyeem ntawv hauv pem teb thiab teeb tsa dual-fwb zaus kom cov neeg ua haujlwm khaws ib daim ntawv pov thawj thoob plaws. Cov yuam sij Master yog tsim thiab tuav los ntawm tus neeg siv khoom, muaj ntau hom fob, thiab txhaj tshuaj ntawm lub Hoobkas ua ntej xa khoom xa tuaj. Cov neeg nyeem txav mus rau OSDP raws li txhua lub tsev raug txiav. Lub qhov rooj qub LF nkaus xwb tseem ua haujlwm ntawm tib fob kom txog thaum tus nyeem ntawv kawg hloov, thaum lub sijhawm LF muaj nuj nqi tsuas yog so haujlwm hauv software. Tsis muaj ntawv pov thawj rov qab, tsis muaj chaw tos txais tos.

Lub ntsiab lus tsis yog lub hom phiaj tshwj xeeb - nws yog qhov tseem ceeb, qhov tseem ceeb - muaj, dual- zaus mus ua ib qho kev cuam tshuam tsis zoo - thiab - hloov mus ua haujlwm tom qab. Txoj kev npaj ntawd tsuas yog ua tau vim hais tias lub nti (DESFire) thiab daim ntawv foos (dual- zaus) tau xaiv nrog kev tsiv teb tsaws hauv siab.

Lub vaj tsev thiab cov khoom siv: Sib piv ib puag ncig, tsis yog Catalog

Lub tsev tsis tshua muaj kev hloov pauv ntau npaum li cas, tab sis nws txiav txim siab ntev npaum li cas tus fob muaj sia nyob. Lub nti thiab kav hlau txais xov teeb kev ua tau zoo; lub plhaub teev durability.

Rau qhov hnyav, qhia meej IP67 / IP68 sealing, −25℃rau +85℃ntsuas, thiab UV tsis kam rau txhua yam sab nraum zoov. Ib sab -los ntawm- sab ntawm ob lub plhaub feem ntau yog npog hauv qhov noABS vs epoxy key fob sib piv. Qhov twg tsos yog ib feem ntawm qhov luv, atawv RFID key foblos yog antoo eco-tus phooj ywg tseem ceeb fobnqa lub logo zoo dua li molded ABS.

Programming: Peb txoj hauv kev los encode ib Fob

"Programming" txhais tau hais tias sau tus kheej, yuam sij, lossis nkag mus rau cov ntaub ntawv rau hauv nti. Koj ua li cas nws nyob ntawm qhov ntsuas thiab kev ruaj ntseg:

1. Hoobkas ua ntej -encoding.Tus neeg muag khoom sau UIDs lossis daim ntawv pov thawj ua ntej xa khoom. Ceev tshaj plaws rau kev ua haujlwm loj thiab tsev so; tsis muaj nyob rau ntawm - cov cuab yeej siv qhov chaw xav tau.
2. Ntawm - site encoding.Koj muab cov ntaub ntawv pov thawj nrog tus kws sau ntawv USB lossis nkag mus rau vaj huam sib luag rau npe software. Qhov zoo tshaj plaws thaum cov haujlwm hloov pauv ntau zaus thiab koj xav tau kev tswj hwm ncaj qha.
3. Kev txhaj tshuaj tseem ceeb.Rau DESFire thiab AES systems, encryption keys thiab daim ntawv thov raug muab raws li kev tswj xyuas, feem ntau ntawm lub Hoobkas, yog li ntawv pov thawj tsis tuaj yeem muab luam tawm yam tsis muaj kev tso cai.

Rau kev txiav txim ntim, pom zoo cov lus qhia ua ntej: encoding throughput, yuam kev tuav, UID uniqueness, database sync, thiab audit logging. Cov lag luam feem ntau xaim encoding rau hauv lawv cov HR lossis tus kheej qhov system kom onboarding thiab offboarding tsav daim ntawv pov thawj raws li txoj cai.

Common Deployments

Cov chaw ua haujlwm tswj kev nkag, nqa, nqa, hauv pem teb, thiab chaw nres tsheb hauv nruab nrab, hloov kho txoj cai yam tsis tau kov cov khoom siv. Cov tsev so muab cov ntaub ntawv pov thawj uas tas sij hawm ntawm kev xa tawm - cov kws kho tsheb tau piav qhia hauv daim ntawv no ntawmHotel key cards ua haujlwm li cas. Cov tsev kho mob kaw cov khw muag tshuaj, chaw kuaj mob, thiab cov ntaub ntawv khaws tseg nrog lub luag haujlwm - raws li kev tso cai rau kev ua raws cai. Cov tsev kawm ntawv quav nkag, tsev qiv ntawv, tuaj koom, thiab them nyiaj tsis muaj nyiaj rau ib daim ntawv pov thawj. Cov chaw lag luam rooj vag muaj kev phom sij thiab cov khoom siv chav ua haujlwm los ntawm kev ua haujlwm thiab ua haujlwm. Nyob rau hauv txhua rooj plaub qhov kev sib tw yeej yog tib yam: xaiv lub nti rau qib kev hem thawj, tom qab ntawd cia lub software tuav tus so.

Kev yuav khoom thiab kev pabcuam OEM

Nqe yog qhov kawg uas yuav optimize, tsis yog thawj. Ua hauj lwm los ntawm kev xav tau, ces nti, ces customization, ces tus neeg muag khoom.

Chip xaiv los ntawm qib kev ruaj ntseg

• Tsawg(chaw nyob, chaw nres tsheb): EM4100 / TK4100 / HID Prox.
• Nruab nrab(offices, schools, gyms): MIFARE Classic 1K or NTAG.
• Siab(nyiaj txiag, kev noj qab haus huv, tsoom fwv): DESFire EV3 nrog AES thiab kev sib koom ua pov thawj.
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Customization (OEM / ODM)

Cov neeg yuav khoom tsis tshua xav tau cov khoom lag luam. Cov kev xaiv muaj xws li laser lossis txhob lo lo ntxhuav - npo luam ntawv logo, UID encoding thiab ua ntej -programming, serial numbering, kev cai xim thiab pwm, thiab QR/barcode kev koom ua ke - tag nrho cov uas txhawb nqa branding, nrhiav cuab tam, thiab tiv thaiv- cuav. Scope cov no tawm tsam tus neeg muag khoomOEM / ODM muaj peev xwmua ntej cog lus.

MOQ, lub sijhawm ua haujlwm, thiab kev kuaj xyuas

Raws li cov lus qhia ntxhib, cov qauv qauv khiav 100-500 pcs, tus qauv OEM 500-3,000 pcs, thiab tag nrho cov pwm kev cai 5, 000+ pcs, nrog rau chav tsev nqi poob qis heev ntawm ntim. Lub sij hawm ua cov txheej txheem kwv yees li 2-5 hnub rau Tshuag, 7-15 hnub rau tus qauv OEM, thiab 15-{13}} hnub rau kev cai cuab yeej; tsim nyob rau hauv tsis rau cov qauv kev pom zoo thiab kev xeem encoding. Thaum kuaj xyuas tus neeg xa khoom, lees paub cov chips tiag tiag (NXP, HID), kev nkag siab thiab kev sib raug zoo - kev soj ntsuam kev txhawb nqa, ISO / CE / RoHS ntawv pov thawj, thiab - tsis yog - sib tham tau - qauv ntawm lub cev ua ntej ntau lawm.

xaus

Xaiv lub nti rau koj qhov kev hem thawj tiag tiag, txheeb xyuas kev sib raug zoo rau koj cov neeg nyeem tiag tiag ua ntej koj xaj ntawm qhov ntsuas, thiab kho encryption, OSDP, qhov tseem ceeb sib txawv, thiab lub luag haujlwm - raws li kev tso cai ua ib qho system es tsis yog plaub txoj kev xaiv. Rau siab - chaw ruaj ntseg, DESFire EV3 ntxiv rau tus yuam sij - muaj, theem kev tsiv teb tsaws chaw yog cov lus teb ruaj khov. Txhua yam ntxiv - vaj tse, xim, hom khoom npe - yog downstream ntawm peb qhov kev txiav txim zoo.

Yog tias koj tab tom npaj ib qho kev hloov kho lossis kev txiav txim ntau, ib qho kev txheeb xyuas kev sib raug zoo thiab cov qauv kuaj ua ntej kev tsim khoom yuav txuag tau ntau dua li lawv tus nqi. Koj tuaj yeem thov tus qauv ntsuas lossis nqe lus kom paub meej tias koj fobs phim koj lub cev ua ntej txhua yam nkag mus rau hauv cov cuab yeej.

FAQ

Puas muaj RFID key fob ua haujlwm nrog ib tus neeg nyeem?

Tsis yog. zaus, tus qauv kev sib txuas lus, chip tsev neeg, thiab daim ntawv pov thawj txhua yam yuav tsum ua kom haum. Ob "125 kHz" fobs tseem tuaj yeem ua tsis tau yog tias hom ntawv txawv.

Qhov twg RFID key fob muaj kev nyab xeeb tshaj plaws?

MIFARE DESFire EV3 nrog AES-128 thiab kev sib koom ua pov thawj yog qhov ntsuas kev nyab xeeb siab tam sim no, nqa daim ntawv pov thawj EAL5+ piv rau cov txhab nyiaj chips.

RFID key fobs puas tuaj yeem cloned?

Tsau -UID LF fobs tau yooj yim cloned, MIFARE Classic tuaj yeem cloned nrog rau kev siv zog, thiab DESFire/AES cov ntaub ntawv pov thawj tshwj xeeb yog tsim los tiv thaiv nws.

Puas yog RFID tseem ceeb fobs xav tau roj teeb?

Tsis yog. Passive fobs rub lub zog los ntawm tus nyeem ntawv thiab feem ntau kav ib xyoo caum lossis ntau dua.

Lub smartphone puas tuaj yeem hloov qhov tseem ceeb fob?

Qee zaum. NFC xov tooj tuaj yeem ua raws li daim ntawv pov thawj uas tus nyeem ntawv thiab software txhawb nqa nws, tab sis cov txheej txheem LF qub tsis tuaj yeem siv xov tooj txhua. Ntau qhov chaw khiav ob qho tib si.

Kuv yuav ua li cas yog tias tus fob ploj lawm?

Qhia nws, deactivate nws nyob rau hauv lub system tam sim ntawd - tsis muaj kev hloov xauv yuav tsum tau - muab ib tug hloov los ntawm cov khoom seem, thiab tshuaj xyuas cov ntaub ntawv nkag rau lub sij hawm cuam tshuam.

Dab tsi yog MOQ thiab lub sijhawm ua haujlwm rau kev cai fobs?

Standard OEM xaj feem ntau pib ntawm 500-3,000 pcs nrog 7-15 hnub ua haujlwm; kev cai pwm xav tau ntau dua ntim thiab siv sijhawm ntev dua. Ib txwm thov tus qauv ua ntej.