Dɛn Ne RFID Smart Card Na Ɔkwan Bɛn so na Ɛyɛ Adwuma?
Jan 27, 2026
Gyae nkrasɛm bi .
Nea Ɛyɛ AnRFID Smart Kaad a wɔde yɛ adwumaNa Ɔkwan Bɛn so na Ɛyɛ Adwuma?
January a etwaam no, obi a ɔyɛ nneɛma a wɔyɛ no frɛɛ me anadwo nnɔn 11 efisɛ wɔn access control system foforo no ntumi nkenkan nkrataa mfa awɔw bere mu jacket ahorow mu. Na system integrator no asɔ biribiara ahwɛ wɔ August mu wɔ wim tebea-controlled facility wɔ 72℃F. Obiara ansusuw ho sɛ ɔbɛhwɛ nea ɛba bere a adwumayɛfo a wɔwɔ Minnesota hyɛ puffy down coats wɔ January mu bere a ɛyɛ -15℃F abɔnten. Yɛwieeɛ no yɛsan de akenkanfoɔ 47 sii hɔ na yɛyɛɛ no foforɔ kɔɔ antenna a ɛkorɔn-tumi. Saa adwuma no de $23,000 kaa wɔn sikasɛm ho na ɛkyɛe sɛ wɔbɛkɔ akɔtra ase adapɛn abiɛsa, nanso ɛkyerɛɛ me biribi a mprempren meka kyerɛ obiara a ɔpɛ sɛ ɔyɛ adwuma no: RFID smart cards yɛ tẽẽ wɔ adwene mu nanso ɛnyɛ bɔne fafiri wɔ dwumadie ho nsɛm mu.
Saa asɛm yi ka mfiridwuma ho asɛm, nanso nea ɛho hia sen saa no, ɛfa nea ɛho hia ankasa bere a woresusuw nhyehyɛe ahorow yi ho ama w’ahyehyɛde no ho.
Mfiridwuma no wɔ Nsɛmfua a Ɛda Hɔ mu
RFID smart card yɛ plastic card a chip ne antenna wɔ mu a ɛne akenkanfoɔ di nkitaho wɔ wireless so. Swiping biara nni hɔ, inserting biara nni hɔ. Wo nya wɔ range mu, ɔkenkanfoɔ no electromagnetic field no ahoɔden ma chip no, data exchanges, ayɛ. Transaction bere no tu mmirika 50-200 milliseconds gyina chip ne ahobammɔ level so.
Chip no betumi ayɛ mfitiasede anaasɛ nea ɛyɛ nwonwa. Basic chips bɔ nɔma pɔtee bi ho dawuru daa, na ɛno nti na wobetumi de nnwinnade a ɛyɛ mmerɛw ayɛ saa $0.30 access cards no clone wɔ nea ennu simma biako mu no. Smart chips yɛ encryption na ɛsɔ-response authentication mpoa, a ɛkyerɛ sɛ sɛ obi kyere radio sɛnkyerɛnne no mpo a, ɔrentumi nyɛ kaad no atoro a cryptographic key a wɔde asie chip no mu no nka ho.
Antena no na ɛkyerɛ baabi a wobetumi akenkan, na ɛha na kaad a ne bo nyɛ den taa twa ntwea so. Mahu production batches a antenna line trɛw gu ahorow araa ma wɔ nhyehyɛe koro no ara mu ma ɛyɛ akenkan akwansin wɔ baabiara fi 2cm kosi 8cm. Sɛ woresɔ nhwɛsode ahorow ahwɛ a, ebia wubenya anigye na woanya nkrataa a eye sen biara no biako. Nsonsonoe no da adi wɔ volume deployment nkutoo mu.
Kaad nipadua no ho hia sen sɛnea spec nkrataa dodow no ara gye tom. Standard PVC yɛ adwuma yie ma office environments, nanso mehwɛɛ adansi adwumakuo bi a ɛfa 40% afe afe card replacement mu ɛfiri sɛ PVC nya brittle below -10℃na wɔn adwumayɛfoɔ kɔɔ so twitwaa cards twe wɔn firi kotokuo mu. Sɛ wodan kɔ polycarbonate/ABS composite so a, ɛtwaa nsakraeɛ dodoɔ no kɔɔ fam 8%.
Sɛnea Nkitahodi no Yɛ Adwuma Ankasa
Sɛ wo kaad no hyɛn akenkanfo bi mu a, nea ɛba ni:
Ɔkenkanfo no bɔ ahoɔden ho amanneɛ wɔ frequency pɔtee bi mu. Kaad no antena no nam electromagnetic induction so twa saa ahoɔden yi na ɛma chip no nya ahoɔden. Chip no yɛ adwuma, ɛde ne data gu mu, na ɛsakra afuw no wɔ nsusuwii ahorow a ɔkenkanfo no kyerɛ ase sɛ dijitaal nsɛm mu. Wɔ kaad a ahobammɔ wom ho no, cryptographic handshake bi wɔ hɔ a ɔkenkanfo no twa mpoa na kaad no di adanse sɛ onim ahintasɛm bi a ɛnna saa ahintasɛm no adi.
Bere a wɔde di gua nyinaa: milisekɔn 50-200 a egyina ahobammɔ gyinabea so.
Mfitiaseɛ UID akenkan gye bɛyɛ 50ms. Mutual authentication a edi mũ a AES-128 wɔ DESFire EV3 kaad so de 100-150ms foforo ka ho. Users hyɛ delays a ɛboro 300ms nsow na wofi ase re-tapping, a ɛma duplicate akenkan events wo middleware afei ɛsɛ sɛ filter.
ISO 14443 na ɛhwɛ proximity card dwumadie dodoɔ no ara so, ɛkyerɛ 13.56 MHz frequency a ɛwɔ 7-15cm adwumayɛ kwan. Saa 15cm no yɛ theoretical maximum wɔ tebea horow a eye mu. Wiase ankasa deployments wɔ yɛn suahu mu average 4-6cm ma ahotoso akenkan, titiriw bere a kaad wɔ sika kotoku a kaad afoforo anaasɛ ɛbɛn dade nneɛma te sɛ abɔso buckles.
Frequency Selection Ma Wo Locked Wɔ Mu
Frequency band abiɛsa na ɛwɔ hɔ, na ɛnyɛ nea wotumi sesa. Wo frequency choice cascades denam gyinaesi biara a edi hɔ a ɛfa akenkanfo, antennas, middleware, ne card specifications ho.
Mpɛn dodow a ɛba fam (125-134 kHz) .
Ɛhyɛn dade ne nsu mu yiye sen akwan afoforo a wobetumi afa so, na ɛno nti na mmoa a wɔde hu ne kar a wɔde siw kar ano de LF di dwuma no. Mfiridwuma no nso yɛ dedaw, ɛyɛ brɛoo wɔ data a wɔde kɔ baabi foforo mu, na mpɛn pii no, wɔmfa encrypt. Wɔ access control deployments foforo dodow no ara mu no, LF de ɔhaw pii ba sen sɛnea edi ho dwuma.
Mfirihyia a Ɛkorɔn (13.56 MHz) .
Ɛyɛ baabi a smart card application dodow no ara te: transit cards, ɔdan mu kwan a wɔfa so kɔ hɔ, contactless payment, hotel keys. MIFARE abusua no di saa ahunmu yi so denam abɔde a nkwa wom a ɛho akokwaw, ahobammɔ a wɔada no adi wɔ nnɛyi chip ahorow mu, ne wiase nyinaa adwumayɛ a ɛbom yɛ adwuma so. NFC yɛ adwuma wɔ saa frequency yi so, a ɛkyerɛ sɛ HF cards tumi ne smartphones di nkitaho.
Ultra-Nneɛma a ɛkorɔn (860-960 MHz) .
Excels wɔ logistics applications a ɛsɛ sɛ wokenkan tag ɔhaha pii wɔ sekan biara mu fi mita pii akyirikyiri. Nanso UHF nkrataa no sõ wɔ honam fam, adwumayɛ sɛe wɔ baabi a ɛbɛn dade ne nsu, na ɛka a wɔbɔ no kɔ soro. Wɔ access control applications ho no, UHF ntaa nyɛ nea ntease wom bere a HF tumi yɛ adwuma no.
Me ne adwumakuw bi a wɔtɔɔ LF kaad 50,000 ansa na wɔresɔ ahwɛ yiye wɔ wɔn mpɔtam hɔ yɛɛ adwuma. Wɔn apon a wɔde dade ayɛ no maa mmeae a wɔakenkan awuwu. Wowiee no, wɔde plastic a wɔde gyina hɔ sii ɔpon biara so a na ne bo yɛ dɔla 15 wɔ ɔpon biara mu wɔ apon 800 so. Ɛno yɛ $12,000 a wɔde besiesie ɔhaw bi a anka wimhyɛnkafo a ne bo yɛ dɔla 500 bɛkyere.
Chip Selection: Baabi a Wo Ahobammɔ ne Budget Ho Gyinaesi Si
Wɔ HF ahunmu no mu no, chip abusua a wɔpaw no ho hia kɛse.
MIFARE Classic, Nsɛm a Wɔahyehyɛ
Was groundbreaking in 1994. Wɔbubuu Crypto-1 encryption a ɛyɛ wɔn dea no wɔ afe 2008 mu, na nnwinnade a wɔde yɛ cloning no wɔ hɔ a wobetumi anya bi kwa. Legacy systems da so ara de Classic di dwuma efisɛ migration bo yɛ den, nanso mahu sɛ nnwumakuw de Classic adi dwuma wɔ afe 2023 mu de akora $0.15 wɔ card biara so, afei wɔsɛe $200,000 de yɛ upgrade mfe abien akyi bere a ahobammɔ audit bi de frankaa ahyɛ mmerɛwyɛ no ho. Wɔ deployments foforo ho no, Classic yɛ ahobammɔ ho asodi.
MIFARE Plus na ɛwɔ hɔ
Ɛma atutena kwan ma ahyehyɛdeɛ a wɔwɔ Classic infrastructure a ɛwɔ hɔ dada. Ebetumi asuasua Classic ama akyi nhyiam bere a ɛboa AES-128 encryption bere a wɔde abɔ mu ne akenkanfo a wɔayɛ no foforo.
MIFARE DESFare EV2/EV3 na ɛwɔ hɔ
Egyina hɔ ma mprempren nneyɛe a eye sen biara. Hardware-backed AES encryption, application ahorow pii a ɛde ne ho wɔ kaad biako so, atɔ MAC ma tamper adanse. Yɛkamfo eyi kyerɛ ma nnwumakuw a wɔhwɛ kwan a wɔfa so kɔ hɔ, aban adwumayɛbea ahorow, ne application biara a edi data a ɛho hia ho dwuma. Chips no bo yɛ den, nanso security gap no nyɛ ɛka ho gyinaesi, ɛyɛ asiane ho gyinaesi.
Bo ankasa a efi yɛn Q3 2024 adetɔ mu ma 50,000-card deployment ni:
| Chip Abusua | Bo a Wɔbɔ wɔ Kaad Biara Ho | Bammɔ | Bere a Wɔde Di Dwuma |
|---|---|---|---|
| MIFARE Classic 1K na ɛyɛ adwuma | $0.38 | Wɔabubu (Crypto-1) . | Adapɛn 6-8 |
| MIFARE DESFire EV2 na ɛwɔ hɔ | $0.91 | AES-128 afiri a wɔde yɛ nneɛma | Adapɛn 8-10 |
| MIFARE DESFire EV3 na ɛwɔ hɔ | $1.24 | AES-128 a wɔama anya nkɔso | Adapɛn 10-12 |
Saa boɔ no yɛ FOB Shenzhen a ɛfiri supplier a ɔfata a yɛne no ayɛ adwuma mfeɛ mmiɛnsa. Wo bo bɛsono a egyina dodow, sikatua ho nhyehyɛe, ne chip a ɛwɔ hɔ mprempren so. Chip a ɛho yɛ na wɔ afe 2021-2022 mu no maa DESFire boɔ kɔɔ soro koduu $2.40+ wɔ kaad biara mu ma nneɛma nketewa a wɔkra.
Chip selection drives total project cost sen ade foforo biara. Kaad 10,000 a wɔde di dwuma de DeSFire EV2 di dwuma sen Classic de bɛyɛ $5,300 ka kaad ho ka ho. Ɛnyɛ den sɛ ahobammɔ a wɔabu so biako a wosiesie no bɛbɔ $50,000-200,000 bere a wususuw asɛnnibea nhwehwɛmu, kaad a wɔde besi ananmu, akenkanfo a wɔbɛma anya nkɔso, ne din a wobenya so nkɛntɛnso ho no.
Adwumayɛ ho Asɛm no: Akontaabu Ankasa a Efi Nnwuma a Wɔde Di Dwuma Ankasa Mu
Ma menkyɛ ɛka ho data a ɛfiri implementations a yɛayɛ ho adwuma, ɛfiri sɛ ROI nsɛm a emu nna hɔ mmoa gyinaesi-si.
RFID vs Barcode ma Inventory Dwumadie
Wɔ mfinimfini-sized adetɔnfo a ɔwɔ mmeae 500 a ɛyɛ dapɛn dapɛn cycle counts:
Ansa na wɔbɛyɛ RFID no
Nsaano a wɔde barcode scanner dii nneɛma bɛyɛ 650 ho dwuma dɔnhwerew biara wɔ odwumayɛni biara mu. Ná dapɛn dapɛn kyinhyia a wɔkan wɔ sotɔɔ ahorow nyinaa mu no hwehwɛ sɛ wɔbɔ adwumayɛfo ka dɔla ɔpepem 3.91 afe biara.
RFID akyi
Akenkan a wɔdɔɔso no yɛɛ nneɛma bɛyɛ 18,000 ho adwuma dɔnhwerew biara. Wɔtew kyinhyia dodow nhyehyɛe koro no ara so kɔɔ dɔla ɔpepem 2.57 wɔ afe afe adwumayɛfo mu.
Sika a wɔde asie a ɛyɛ pɛpɛɛpɛ
dɔla ɔpepem 1.34
afe biara, a ɛsan ba bio.
Ɛnonom nyɛ nsusuwii ahorow; ɛno ne nea adetɔnfo no kyerɛw too hɔ wɔ wɔn afe mũ a edi kan a wɔde yɛɛ adwuma no mu. Wɔde dii dwuma no gyee dɔla ɔpepem 2.1, na ɛde asram 18 tuaa ka bae.
Ɛka a Ahintaw a Obiara Nka ho asɛm
Nea adwumayɛ ho asɛm no taa hwere ni. Wɔ saa adetɔnfo koro no ara fam no:
Afe Biara Ka a Wɔbɔ:
- Middleware tumi krataa a egyina wɔn a wɔde di dwuma bere koro mu so, ɛnyɛ akenkanfo dodow. Peak concurrent usage tuu mmirika 40% kɔɔ soro sen nea wobuu akontaa: +$67,000
- System integrator buu exception handling nkɔso animtiaa: +$118,000
- Ɔsram a edi kan no adwumayɛ mu mfomso a efi adwumayɛfo adesua curve mu no maa adetɔfo a wɔde nneɛma kɔma asotwe bae: +$34,000
- Afe afe nsiesie apam a wɔde ma akenkanfo a wɔmfa nka mfitiase sikasɛm nhyehyɛe ho: +$180,000/afe
Nhyehyɛe no da so ara de mfaso ma. Nneɛma a wɔde asie no pɛpɛɛpɛyɛ nyaa nkɔso fi 68% koduu 96%. Out-of-stocks so tew 42%. Nanso na ROI akontabuo no yɛ anidasoɔ, te sɛ adetɔnfoɔ dodoɔ no ara-de nsusuiɛ maeɛ.
Nneɛma a Wɔakora So no Pɛpɛɛpɛ Nkɛntɛnso
Ansa na RFID reba no, retail inventory pɛpɛɛpɛyɛ taa yɛ 65-70%. Sɛ wɔde di dwuma yiye wie a, pɛpɛɛpɛyɛ kɔ soro kodu 93-99%. Saa nkɔso a ɛba wɔ pɛpɛɛpɛyɛ mu no ma nneɛma abien a ɛsom bo fi mu ba: nneɛma kakraa bi a wɔagyae a ɛde adetɔfo kɔ akansifo nkyɛn, ne nneɛma a ɛboro so kakraa bi a awiei koraa no wɔhyɛ no agyirae.
Wɔ ntadetɔn mu no, ade-gyinabea RFID taa ma adetɔn nkɔanim 1.5-5.5%, titiriw fi nea wɔatew so wɔ nneɛma a ɛwɔ hɔ no mu. Wɔ adetɔnfo a ɔreyɛ ntade tɔn mu dɔla ɔpepem 100 fam no, ɛno gyina hɔ ma sika foforo a wobenya de dɔla ɔpepem 1.5-5.5.
Adan ho nnianim asɛm
Yɛ ano aduru a edi mũ ma nnipa korɔnbɔ ho nhyehyɛe a etu mpɔn
Du a wɔde tu mmirikaɔyɛ nea mibu no sɛ ɛyɛ aguadidan mu RFID a wɔde di dwuma a ɛkɔ akyiri sen biara wɔ wiase nyinaa no adwuma. Wɔhyɛɛ aseɛ yɛɛ nhwehwɛmu wɔ afe 2008 mu, wɔnyaa nneɛma a wɔde ahyɛ mu ma koraa wɔ afe 2019 mu, na seesei wɔyɛ nneɛma ɔpepem 650 a wɔde ahyɛnsodeɛ ahyɛ mu afe biara wɔ 950+ sotɔɔ ahodoɔ mu.
Wɔn aba a wɔatintim: nneɛma a wɔakora so pɛpɛɛpɛ wɔ 99.2% toto wɔn 86-90% mfiase, sotɔɔ mu akontaabu a wɔawie wɔ nnɔnhwerew 1.5 mu kyerɛ da mũ nyinaa apɔw-mu-teɛteɛ a atwam, bere a wɔde twɛn a wɔde kɔtotɔ nneɛma a ennu simma biako toto simma aduonu a atwam no ho.
Nea wɔtaa bu ani gu so: saa mfe 11 bere nhyehyɛe no fi wimhyɛnkafo so kosi bere a wɔde bedi dwuma koraa no. Wohyiaa mfiridwuma mu nsɛnnennen pii na wodii ho dwuma wɔ tag a wɔde si hɔ, adhesive adwumayɛ wɔ nneɛma ahorow so, ne akenkanfo a wɔde si hɔ ho. ROI akontaabu a wɔatintim no gyina hɔ ma nhyehyɛe a ɛho akokwaw, na ɛnyɛ adesua curve sika a wɔde hyɛ mu no.
Zara/Inditex na ɔkyerɛweede RFID dii dwuma wɔ nneɛma ɔpepem 500 so wɔ wɔn ntɛmntɛm-fashion adwumayɛ nyinaa mu. Nea efii mu bae fii sotɔɔ ahorow a wɔde di dwuma a edi kan-deployment mu bae no kyerɛe sɛ adetɔn kɔɔ soro 17% wɔ asram asia a edi kan no mu ne aguade a wɔtɔn no bo a edi mũ 85% bere a wɔde toto nnwumayɛbea a ɛyɛ 60% ho.
Wɔn mfaso: vertical integration. Inditex na ɛhwɛ adwumayɛ so na ɛtumi de tags hyɛ mu bere a wɔreyɛ no. Ɛsɛ sɛ adetɔnfo dodow no ara ma wɔn a wɔde nneɛma ma no gye di sɛ wɔde tag ahorow bɛka ho, na ɛma ɛyɛ den na ɛho ka yɛ den.
Nea Ɛnkɔ yiye: Nhwɛsode a Yehu Mpɛn pii
Nneɛma a Atwa Yɛn Ho Ahyia a Ɛnhyia
Nhyiam dan mu sɔhwɛ nkyerɛ sɛnea adekoradan no bɛyɛ adwuma. Adwumakuw bi a ɛhwɛ nneɛma so hui sɛ wɔn UHF nhyehyɛe no yɛ adwuma yiye wɔ awɔw bere mu nanso akenkan dodow kɔɔ fam 30% wɔ awɔw bere mu bere a nsu a ɛyɛ nwini sesae no. Sɔ hwɛ wɔ baabi a wote ankasa, na ɛnyɛ baabi a wɔahyɛ so.
Nkabom a Wɔde Wɔn Ho Hyehyɛ Mu
Hardware instɔlehyɛn betumi ayɛ 20% wɔ adwuma no mmɔdenbɔ mu. Middleware nhyehyeɛ, adwumayɛ nhyehyɛeɛ nkabom, exception handling, ne amanneɛbɔ di 80% a aka no. Ahyehyɛde ahorow taa de adapɛn asia yɛ nhyehyɛe ma nkabom na egye asram dunwɔtwe.
Nsonsonoe a ɛda Supplier Quality Variance mu
Spec krataa a ɛkyerɛ AQL 2.5 kyerɛ sɛ nea ɔde ma no gye 2.5% units a ɛtɔ sin wɔ batch biara mu. Sɛ wopɛ sɛ wɔkra kaad 100,000 a, ɛno betumi ayɛ kaad 2,500 a enni nsɛm a wɔahyɛ ato hɔ no so. Yɛanya shipments a nokware defect rates tuu mmirika mmɔho abiɛsa sen AQL a wɔaka. Nhwɛsode sɔhwɛ ansa na wɔde volume commitment ho hia, ɛnyɛ nea wobetumi apaw.
Adetɔ ho Akwankyerɛ a Egyina Osuahu So
Sɛ wɔresusuw wɔn a wɔde nneɛma ma ho a, saa nsemmisa yi tetew wɔn a wɔyɛ nneɛma a anibere wom ne wɔn a wɔtɔn nneɛma foforo no ntam:
Bisa sɛnea wɔyɛ no ho asɛm. So wɔyɛ inlays wɔ-fie anaasɛ wonya fi? Sɔhwɛ bɛn na wɔyɛ? Bisa nkrataa a ɛfa wɔn su pa ho nhyehyɛe ne sintɔ dodow ankasa ho fi nnansa yi adeyɛ mmirikatu ahorow mu.
Nya nhwɛsode nkrataa fi nea wɔyɛ ankasa mu, na ɛnyɛ nhwɛsode titiriw a wɔayɛ ama afata. Sɔ wɔn hwɛ wɔ nneɛma a atwa wo ho ahyia mu ne w’akenkanfo. Fa adwennwen sɔhwɛ ahorow a ɛfa wo dwumadie ho ka ho: ɔhyew a ɛboro so, kotow, nsuo a ɛwɔ mu.
Hwɛ nsɛm a wɔde gyina hɔ ma a nsɛmmisa pɔtee bi wom. Ɛnyɛ "so w'ani agye" na mmom "dɛn na na ɛyɛ wo sintɔ rate wɔ shipment a edi kan no mu" ne "sɛnea wodii authentication asɛm no ho dwuma bere a w'akenkanfo foforo no antumi annye card dedaw no atom."
Di nkitaho wɔ apam mu su pa ho bɔhyɛ ahorow ho. Sɛ wo nsa ka batch a 5% defect rate wom sen sɛ wobɛnya 1.5% a wɔahyɛ ho bɔ no a, dɛn na ɛba? Nea wɔde besi ananmu koraa? Boa a wɔde ma no fã bi? Biribiara nni hɔ efisɛ woansɔ anhwɛ wɔ nnafua 30 ntam? Saa nsɛmfua yi ho hia bere a ɔhaw ahorow aba no.
Mfiridwuma ho Nsɛm a Wɔde Di Dwuma
Wɔn a wɔkyerɛ nhyehyɛe ahorow no fam no:
Akenkan range degrades ne ntwitwiridii.Specification sheets quote maximum range wɔ tebea horow a eye mu. Hwɛ kwan sɛ 50-70% wɔ rated range bere a kaad bɛn dade nneɛma, wɔ sika kotoku mu a kaad afoforo wom, anaasɛ wɔ mmeae a RF dede a efi WiFi ne nhyehyɛe afoforo mu. Yɛ w’akenkanfo a wode besisi hɔ no ho nhyehyɛe twa akwanhwɛ a ɛyɛ nokware a ɛfa range ho no ho hyia.
Memory tumi ho hia ma application ahwehwɛde ahorow.MIFARE Classic 1K kaad wɔ bɛyɛ baiti 752 a wobetumi de adi dwuma ama data wɔ sector trailers akyi. Ɛno dɔɔso ma UID ne data fields pii. Application ahorow a ɛhwehwɛ sɛ wɔde mfonini sie anaasɛ cardholder data pii hia akwan horow.
Antenna a wɔde si hɔ no nya akenkan so nkɛntɛnso.Kaad kenkan yiye bere a antena wimhyɛn no ne akenkanfo antena no hyia no. Wɔ anim a ɛso yɛ toro no, akenkan kwan so tew kɛse. Akenkanfoɔ a wɔde asisi ɔfasuo-mu a wɔn a wɔde di dwuma no de kaad firi kotokuo mu kyerɛ wɔ afã ahodoɔ no bɛnya akenkan mu huammɔdi bi.
Kɔ Akɔ Anim: Ɔkwan a Wɔkamfo Kyerɛ
Sɛ woresusuw RFID ho ama dwumadie pɔtee bi a:
Kyerɛkyerɛ botae ahorow a wobetumi asusuw mu.
Ɛnyɛ "yehia RFID" na mmom "ɛsɛ sɛ yɛtew adwumayɛfo a wɔkan nneɛma a wɔakora so no so X%" anaasɛ "ɛsɛ sɛ yɛsiw kwan a wɔfa so kɔ Y mmeae a wonni ho kwan a audit trail wom no ano." Botae ahorow a wotumi susuw no ma wotumi bu ROI akontaabu ne nkonimdi nhwehwɛmu.
Hwɛ nneɛma a atwa wo ho ahyia ansa na woapaw mfiridwuma.
Dadeɛ a ɛwɔ hɔ, akenkan kwan a ɛhia, infrastructure a ɛwɔ hɔ dada, nkabom ahwehwɛdeɛ. Saa nhwehwɛmu yi na ɛma wɔpaw frequency ne chip paw.
Budget ma nkabom ne nsakraeɛ ho dwumadie, ɛnyɛ hardware nko ara.
Sɛ wo sikasɛm nhyehyɛe nyinaa yɛ pɛ hardware ho ka mpɛn 1.2 a, woannya sika pii. Nhyehyɛeɛ ma 50-80% bɛboro mfitiaseɛ hardware quotes ma deployment ka nyinaa.
Fi ase denam wimhyɛnkafo a ɔde n’adwene asi so so.
Kata beae biako anaa adeyɛ biako so. Yɛ data ankasa ma adwumayɛ ho nsɛm a ɛtrɛw. $30,000 pilot a ɛkyerɛ nsɛnnennen a ɛwɔ dwumadie mu no gye wo firi $500,000 deployment huammɔdi mu.
Mfiridwuma no yɛ adwuma na ayɛ adwuma a wotumi de ho to so mfe du du pii wɔ ɔpepem pii a wɔde di dwuma wɔ wiase nyinaa mu. Sɛ ebia wo dwumadie pɔtee no bedi nkonim a, egyina ahwehwɛdeɛ nkyerɛaseɛ, adetɔnfoɔ a wɔpaw, nkabom nhyehyɛeɛ, ne rollout execution so.
Yɛn kuw no de RFID nhyehyɛe ahorow adi dwuma wɔ nneɛma a wɔyɛ, nneɛma a wɔde kɔ baabiara, akwahosan ho nhyehyɛe, ne akwan a wɔfa so hwɛ kwan a wɔfa so kɔ hɔ no nyinaa mu. Sɛ woresɔ saa mfiridwuma yi ahwɛ na wo hia akwankyerɛ wɔ chip a wɔpaw, adetɔnfoɔ a wɔfata, anaa nkabom nhyehyɛeɛ ho a, yɛde mfiridwuma ho afotuo ma de boa ahyehyɛdeɛ ma wɔkwati afiri a ɛtaa ba wɔ dwumadie mu na wɔadu wɔn adwuma no botaeɛ ho.
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