Dɛn ne RFID signal blocking card?

RFID signal blocking card, sɛnea edin no kyerɛ no, ɛnyɛ den sɛ wobɛte ase sɛnea ne din te. Ɛwɔ shielding function na ɛyɛ soronko bi a wɔde di dwuma de bɔ abɔnten wiase no ho ban fi RFID mfiridwuma ho nsɛnkyerɛnne a wɔde bɛmena no ho. Nea wɔde wɔn adwene si so ne sɛ wobesiw nsɛmmɔnedifo kwan sɛ wobenya nsɛm te sɛ sikakorabea nkrataa a ɛwɔ nnipa akuwakuw a ɛtrɛw no mu. di dwuma a ahobammɔ ho banbɔ di.

Wobetumi akyekyɛ RFID signal blocking cards mu ayɛ no frequency a ɛkorɔn ne frequency a ɛba fam sɛnea wɔn ahorow te. frequency a ɛkorɔn no bɛyɛ 13.56MHz na sensing kwan no boro 1cm. Te sɛ deɛ wɔtaa de di dwuma no nyinaa-wɔ-kaad bɔs baako a wɔde asie-botaeɛ kaad, akwan a wɔfa so tua akwan kɛseɛ so, mmeaeɛ a wɔde kar sisi, mpɔtam sohwɛ, ne nea ɛkeka ho no, wɔn nyinaa yɛ soronko-frequency cards. Mpɛn dodow a ɛba fam-frequency cards no bɛyɛ 100-125KHz, na sensing kwan no bɛyɛ 1cm. Yebetumi aka sɛ ehia sɛ obi di nkitaho tẽẽ na ama ntease aba. Wɔde nkrataa a ɛnyɛ den pii di dwuma titiriw ma nnipa a wɔba ne sɛnea wobetumi akɔ hɔ, ahɔhodan mu apon ano apon, ne mmoa ho nkyerɛwde. Nneɛma a wɔyɛ ho nhyehyɛe ne nneɛma afoforo pii.

Wobetumi akyekyɛ RFID signal blocking cards no mu abien: ɛwɔ LED akanea na enni LED akanea. Mfaso a ɛwɔ LED akanea a ɛwɔ so ne sɛ ebetumi ahwɛ sɛ ebia kaad ho nsɛm no yɛ nea asiane biara nni ho bere biara anaa. Sɛ nsɛmmɔnedifo wia mfiri a wɔde kyerɛ sɛ biribi yɛ sɛnkyerɛnne no a, LED akanea a ɛwɔ shielding card no mu no bɛma hann aba. , de ahobammɔ alarm nsɛm ma wɔ bere mu, na shielding card a enni LED kanea no yɛ nea ɛfata sɛ wode bɛkɔ, na emu biara wɔ n’ankasa mfaso.

Wɔde RFID signal blocking card (a wɔsan frɛ no anti-wia kaad, shueld card) di dwuma titiriw de bɔ wireless sɛnkyerɛnne a ɛwɔ soro-frequency smart cards (te sɛ sikatua kaad, sikakorabea kaad, ne nea ɛkeka ho) ho ban

Smart RFID signal blocking card, fa wo smart card no ka shielding card a yɛn adwumakuw no de ama no ho kɛkɛ, na wo payment signal no bɛbɔ ho ban yiye, ɛmfa ho nnwinnade a nsɛmmɔnedifo no de di dwuma no, .

Ɛrentumi nyɛ yiye sɛ wubewia wo kaad ho nsɛm, na woahwɛ ahu sɛ wo kaad ho nsɛm no nyɛ nea wɔato mu, na ama woahwɛ ahu sɛ wode bɛkɔ baabi a ahobammɔ wɔ, na woasiw nsɛm a ɛbɛtwetwe no ano.