125kHz vs 13.56MHz: Njëg li ñuy jëfandikoo ngir saytu jëfandikoo gi
Jan 08, 2026
Bayil ab bataaxal
125kHz vs 13.56MHz: Njëg li ñuy jëfandikoo ngir saytu jëfandikoo gi
Fukk ak juroom simili ngir klone ab keyfob bu 125kHz. Ekipu kaaraange ICT dafa natt lii ci 2023 ak benn aparey Amazon bu $30-ubbiko ngir liggéey ñaari yoon, fukk ak juróomi seconde. Seen rapoor "Dilemma kartu jegewaale 125kHz" jarna jàng soo bëggee njuréef yi.
Dañu nuy faral di laaj lu jëm ci tànneefi fréquence ci Syntek. Ñi yor jënd yi dañu bëgg tontu bu yomb waaye amul benn. Frequency mooy wane physique. Tanneef chip mooy wane kaaraange gi. Kalite defar bi mooy wane ndax këyitu liggéey bi dina yàgg juróomi at wala dina ñàkk ginaaw jiroom benn weer. Loolu ay dogal yu wuute lañu.
Ci 125kHz, ondes électromagnétique yi dañuy booloo ci diggante antenu keyfob bi ak li koy jàng. Accouplage stabil. Ndox du wàññi bu baax. Surface wen yi duñu defar motif interference yi nga gis ci frequency yu gëna kawe-loolu moo waral ñu teela jëfandikoo xaralay LF.
Puce EM4100 ak TK4100 dañuy joxe ràññeekaay bu 64{4}}bit ci leer gi. Amul encryption, amul tontu ci jafe-jafe, amul gëm-gëm. Ki koy jàng laaj ko, "Yaw la kan?" ak chip bi tontu ak ID, saa yu nekk, ci képp ku ko laaj. Aprey yiy klone dañuy enregistre tontu boobu ba noppi joxewaat ko.
Ba leegi noo ngi jaay EM4100. Lu bari ci ñoom. Accesu piscine bi, tàqale zone yi ci biir, këyit yiy firndeel kontraktër bi ci diir bu gàtt. Amna anam yu ñuy jëfandikoo ci anam wu jaadu, fu ñuy nangu wàññig kaaraange gi, te njariñu njëg bi mooy-$0.15-0.30 ci volume bu nekk ak $2.50+ ngir puce HF yu wóor.
Dunu leen digal ñu dugg ci tabax bu njëkk bi. Exposition ci responsabilite bi jarul xaalis bi nga denc.
Toxu ci 13.56MHz du saafara jafe-jafe kaaraange ci saasi.
MIFARE Classic moo nekkoon xeetu liggéey bi ay at ci ginaaw. ISO14443A méngoo, 1KB wala 4KB mémoire, ñu bari dañu koy jàppale. Enkripsioŋ Crypto1 dafa melni lu doy. Gëstukat yi ci Daara bu kawe bu Radboud dañu ko dindi ci atum 2008- ñakk kattan bu am solo ci kriptografik, amul benn defar losisel buñ mëna defar. Telefoon Android bu am jumtukaayu MIFARE Classic mën na klone leeral yii leegi.
Danuy yónnee ay keyfob yu méngoo ak Classic- ngir toppatoo baayima yi. Sudee sa tabax amna 50 jàngat yuy doxal MIFARE Classic te amul benn budget ngir yeesal, jënd keyfobs Classic yu bees amna solo. Wecci leen ak DESFire du am njariñ sudee jàngkat yi mënu ñu def gëm-gëm buñ encrypté.
Deployment yu bees? Classic du - tàmbalikaay. Mars 2024 Unsaflok fësal -3 milioŋ ci otel tëju ci 13,000 moomel- waroon na jeexal waxtaan boobu.
Tànneefi HF yu wóor yi: MIFARE Plus ci anam SL3 ak AES buñ taal, DESFire EV2, DESFire EV3. Ñoom ñépp ñu ngi jëfandikoo AES-128. DESFire EV2 ak EV3 dañu yor sertifikaasioŋ EAL5+ ngir jëfandikoo ay sàrti bopp.
Keyfob DESFire ci sistem buñu konfigureewul nimu waree amul kaaraange gu ëpp EM4100. Ekipu Flipper Zero dafa bind lii ci seen jàngat protokol RFID 2023: sistem yu bari yuy saytu jëfandikoo dañuy jëfandikoo nimero serie kart bi kese, doonte dañu samp jàngat DESFire. CSN encryptéwul, bépp aparey NFC mën nako jàng. Benn $4 keyfob DESFire buy xamle jaaraleko ci CSN dafay dox ci niveau kaaraange LF bu $0.20.
Danuy sàkku ci kiliyaan yi ñu firndeel tabb jàngkat bi balaa ñuy siif. "Ndax sa sistem dafay jëfandikoo ay done sektër yuñ enkripte ngir xamle, wala CSN kese?" Sudee xamu ñu, danu leen di wax ñu xool bu baax balaa ñuy dugal xaalis ci këyitu premium.
Jariñu njëgu santaane RFID amul benn -ligne ak volume.
| Xeetu puce | 100 yunit | 1000 yunit | 5,000+ benn |
|---|---|---|---|
| EM4100/TK4100 (125kHz) | $0.80-1.50 | $0.25-0.40 | $0.15-0.25 |
| T5577 binndaat (125kHz) | $1.20-2.00 | $0.45-0.70 | $0.30-0.50 |
| 13.56MHz | $1.00-2.00 | $0.40-0.80 | $0.30-0.60 |
| 13.56 mHz | $4.00-6.00 | $2.50-3.50 | $2.00-3.00 |
| 13.56 MHz) | $5.00-8.00 | $3.00-4.50 | $2.50-3.50 |
Ab kilifa ab moomel buy komànde 200 keyfobs dafay fay lu tollu ci 3x lu ëpp benn yoon bu komànde 2,000. Operatëri sit yu bari - ñooy boole jënd yi ci moomel yépp. Mbootaay yi am siklu wuutu yuñ mëna seentu dañuy njëkka komànde limu at mi.
T5577 amna barab bu amul fenn. Chip UID yi wuute nañu ak puce UID yi, ndax mën nañu ko prograam ci 330 bit ci mémoire buñ mëna tabb, te mën nañu toppandoo EM4100, HID Prox, Indala, ak yeneen protokol yu bari. Liggéeyukaay yiy yoree sistem yu yàgg yu bawoo ci jaaykat yu bari, integratër yi soxla ci-reconfiguration sit: T5577 dafay joxe flexibilite buy gëna yombal prime bu woyof bi ci kaw EM4100. Aaru baatu-jàll bu 32 bit amul benn doole buñu sukkandikoo ci jamono jii, waaye dafay tere klonaas bu bari.
Kalite defar bi mooy barab bi keyfobs yu yomb yi di ñàkk.
Antenne bi nekk ci biir benn clavier bu 125kHz: fiil përëm buñ wër benn core ferrite. Ferrite dafay gëna baaxal couplage magnetik bi.
Kalite ferrite bi, njubteg enroulement bi, consistance condensateur tuning- ñoom ñooy wane ndax keyfob bi dafay jàng bu baax ci yeneen xeeti jàngkat.
Ci 13.56MHz, anten bi dañu koy graver ci përëm ci kaw substratu PCB. Toleransi defar yu gëna seere, waaye fréquence resonant moo gëna am solo ci fakteer environmaa bi. Monteel benn porte-clé HF ci kaw benn porte-clé en métal, antenne bi dafay detune, rang de lecture bi dafay wàññeeku 30-50%. Defarkatu kalite yi deñuy kompensaasioŋ ci jëmmal anten bi ak saytu ci test VNA bi ñuy defar.
Gis nanu ay lots yu bawoo ci furnisër yu yomb - yu tollu ci 8% ci ay jafe-jafe. Bu ñu wàññisee $0.10 ci benn jumtukaay, loolu du sakkanal-, njëgu jàppale bi lañuy jox kiliyaan bi.
Box bi amna solo. Plastik ABS mooy liñ miin ci liggéeyukaay yi: baña yàq doole, dayo chimik, leer ci RF. PP composé yu yomb yi dañuy xar ci jamonoy sedd. Am nanu ay kiliyaan yu nekkoon ci nord Europe yu ko gis bi tàngoor wi ci weeru desàmbar taxawee ci seen portfëy ngir sàkku gaaraati.
Ngir instalaasioŋ yi ci biti: IP65 dafay muñ taw ak pënd, IP68 mooy suy dugg ci ndox mi. Seen wuutu ci njëg yi mooy $0.15-0.25 benn yoon. Teggi yeesal boobu ak wecci santaane yi ndox yàq moo gëna njëg.
Business case ngir yeesal joge ci LF legacy ngir am HF mingi aju bu bari ci muy tekki.
Njëg li IBM def ci rapoor 2024: njëgu njuumte ci $4.88 milyoŋ ci àdduna bi, gëm-gëm yuñ xajamal nekk vecteur attaque bi gëna bari. GenX Security Solutions siiwal na jàngat buy wane 300% ROI ci diiru juróomi at ci benn liggéeyukaay - li ci njëkk mooy wàññi sàcc yi. Otel yiy jëfandikoo kàrtu caabi RFID dañuy xamle $11-20 ci loke bu nekk at mu nekk ci wàññi njuuj njaaj, buñu sukkandikoo ci kalkulatëru LEGIC. Caden yu mag yi dañuy dokimenteer $6+ milioŋ ci diiru ñetti at.
Lii ay jaar-jaari jaar-jaar yu am solo lañu. Projet yi itam dañu lajj. Gis nanu ay yeesal yu njëg lu ëpp li ñu séentoon, jël lu gëna yàgg luñu ko waajal, laaj ñu wecci jàngkat yi ci biti li ñu njëkka amal. ROI mingi aju ci anam wu leer: infrastructure yi fi nekk, environmaa bi am fitna, tolluwaayu wuutu, kalite doxalinu projet bi.
Coppite bi am ci njëg yi am ci digganté këyit yu wóor ak yu wóorul wàññeeku na bu baax. DESFire EV2 bi njëgoon $ 8-10 benn ci 2019 leegi $ 2.50-3.50 ci volume.
Tombu bu am ñaari fréquence dañuy boole antene 125kHz ak 13.56MHz. Noo leen di defar. Danuy tere kiliyaan yi leeral leen fileek amagul pexe jàll bu leer.
Ñaari anten yu jege seen biir, di detuning ñoom ñaar. Tàqale physique dafay yokk bulk. antenne bu nekk dafa wara am njariñ ci boppam, compromis ci benn bi dina am njeexital ci beneen bi. Jafe-jafe defar bi dafay yokk limu defoon yi. 40-60% ci kaw benn fréquence dafay faral di joxe performance bu baaxul ci ñaari fréquence yi.
Fu ñaari-frequency am solo:
Waajal LF-ba-HF migraasioŋ jël 12-24 weer fu gëm-gëm yi wara liggéey ci ñaari sistem yi ci jamonoy coppite.
Fuñu ko deful:
Deployment permanent di fay prime bi ba fàww ngir kàttan buñu musul jëfandikoo.
Ngir tabax yu bari-luwekat yu am sistem yu wuute ci etaas yu wuute, dañuy gëna am njariñ ñu tàqale seeni këyit. Lu gëna néew taar, gëna mëna liggéey, gëna néew njëg lu yàgg.
Ay leeral ci leeral yi am solo, sukkandikoo ci jafe-jafe yi nu gis ci jëfandikoo gi:
Fréquence ak protokol bu méngoo.
Saytu ndax jàngat yi fi nekk dañu jàppale chip bi ngay komànde. "13.56MHz" doyul ngir leeral ISO14443A, ISO15693, wala protokol yuñ moomal. Wutal ay misaal, nga saytu infrastructure yi laata ngay komànde liggéey bi.
Format Wiegand.
Panelu seytu jëfandikoo gi dafay xaar formaa yuñ tànn - 26-bit, 34-bit, 37-bit. Format bu jaarul yoon mooy keyfob bi dafay jàng waaye du gëmloo. Firndelal ak sa integratër.
Memoire ak kodage.
DESFire amna xeetu 2KB, 4KB, 8KB. Benn - aplikaasioŋ buy saytu jëfandikoo gi: 2KB doyna. Defar aplikaasioŋ yu bari yu boole dugg ci tabax ak gaaraas, ascenseur, jaaykat: mën nañu soxla memory bu gëna mag. Kodage bu njëkk - dafay yokk njëg waaye du dindi prograam ci barab bi. Njàngat yu amul dara dañuy laaj nga am kàttan ci -site bi.
Màndarga environmaa bi.
Tàngoor wi ñuy jëfandikoo mooy -20 degre ba +60 degre ; Amna ay anam yu am tàngoor wu metti ngir fóotookaay ak autoclave. Njortu IP bu méngoo ak environmaa instalaasioŋ bi. Dëkkuwaay ABS, moytu yeneen xeetu dëkkuwaay yu yomb.
Këyitu kalite.
ISO/IEC 10373{1}}6 saytu sàmmonte, natt facteur Q, rapoor saytu environmaa bi. Furnisëer bi mënul joxe këyit? Xoolaatal furnisër bi.
Ngir jëfandikoo yu bees yu am solo: DESFire EV2 ci 13.56MHz. EV3 yokk na yokkute yu ndaw ci njëg yu njëkk yi - jafe nañu ko gëna dëggal ci biti nguur gi wala - aar alal bu am valeur bu kawe. Firndelal xamle sektër enkripte, du CSN- kese. Budget $2.50-4.00 ci fob bu nekk ci volume bi.
Ngir toppatoo LF yu yàgg yi nga xamni mënu ñu yeesal: EM4100 wala TK4100 ngir am dëppoo bu wóor ci njëg yu yomb. Nanngul bu baax àppu kaaraange gi. Danga soxla prograam bu bees ci -site bi? Feyeel tuuti prime ngir T5577.
Ngir jàll yi: jàngat xarala yu bari - moo gën ñaari -fréquence keyfobs. Premium jàngkat bi benn- yoon la; keyfob premium dafay dellusi ak bépp sañ-sañ buñ joxe.
Bul ëpp - leeral. Nu ngi joxe ay projet yuy laaj DESFire EV3 ak mémoire 8KB ngir sistemu bokk ci gym-$4+ ci keyfob bu nekk ngir mënin yu ñu dul musa jëfandikoo. DESFire EV2 ak 2KB ci $2.50 dafay joxe liggéey bu nuróo ci aplikaasioŋ boobu.
Bul ci suufe-. Duggukaayu tabax bu njëkk bi am EM4100 dogal la ci wàllu kaaraange, muy dogal buñu jël ci xel wala deet. Su amee ku klone keyfob ba noppi mëna ci dugg, laaj bi mooy "lu tax ñuy jëfandikoo xarala yuñ klone ci anam wu amul benn njariñ?" dina ñëw.
Tanneef frequence du lu jafe sudee danga tàqale yenn dogal yi: physique ak kaaraange ak kalite defar. Jaxasoo bi gëna bari mingi aju ci njaay mi leen boole, wala jënd lu lalu ci njëgu benn mbir te bàyyiwul xel ci njëgu boroom bi yépp.
Liggéey ci benn dogal ci génne? Danu lay gëna jàppale nga leeral bu baax ci njëkk, moo gën nga debug sistem bu méngoowul ginaaw.
Njëgglangi méngoo ak njëgi jaay yu mag yi ci weeru saŋwiye 2025, di wuute ci volume bi ak sàrti enkodaas bi. Soo bëggee am devis ci projet bi, jokkool ak jaaykat yi nga wax leen limu soxla ak leeral yi ci infrastructure yi.
Yonnee nga laaj