Kodi LF ndi chiyani, HF, UHF Card?

1. Lf rfid khadi

Makhadi ogwiritsira ntchito ma frequen otsika - makhadi a RF ndi 125 khz ndi 134.2 KHZ. Makhalidwe akuluakulu amtunduwu wa khadi ya wailesi ya wailesi ndiye gawo lake losunga deta, liwiro lowerenga pang'onopang'ono, ndipo nthawi zambiri sathandizira kulemba ntchito. Mtunda wolumikizirana ndi mamilimita 10. Ngakhale zimatha kukulitsidwa masentimitamita 80 powonjezera zida monga magetsi monga a Amprisiers, pali zoopsa zazikulu zachitetezo, monga kujambulidwa mosavuta. Chifukwa chake, sioyenera kugwiritsa ntchito makapu monga ma keychains ndi makadi ofikira m'malo okhala. pang'onopang'ono zidachotsedwa. Komabe, otsika {{11}]

 

2. Khadi la HFRFID
Kugwiritsa ntchito pafupipafupi kwa okwera {{0} Pali ma protocol ambiri}} Ma protocol olankhulana a ISO Makhadi, Matalemba a Matag, ma tags a NFC, ma tag amagetsi amagetsi amagwira ntchito mu gulu laziwiriyu. Popita patsogolo kwa sayansi ndi ukadaulo, m'zaka zaposachedwa, zokwera kwambiri-

3. UHF RFID Khadi
Makhadi a UHF RF nthawi zambiri amatchulira ma tag a zamagetsi omwe amagwira ntchito mu {{0} ~ 960m pafupipafupi. Protocols makamaka imakhalapo 18000 {{6} 6b ndi 18000 {9 {18000} 6c. Makhalidwe ofanana ndi makhadi anzeru amtunduwu ndi ma tag amagetsi akuwerenga mwachangu, mtunda wautali, ndi anti {{{anti { Ili ndi mphamvu zolimba ndipo zimagwiritsidwa ntchito kwambiri m'makhadi a mitengo ya Callet, makadi oyang'anira mabokosi, makhadi oyang'anira magalimoto, kasamalidwe ka zodzikongoletsera, kasamalidwe ka fayilo, kutsuka kwina. Makhadi a radio flowncy a UHF ali ndi makhadi apatali owerenga nthawi yayitali ndi magulu angapo. Ntchito yowerengera imapangitsa kuti ikhale yosavuta kusintha malo ovuta, ndipo imatha kukhazikitsidwa m'makhadi, zilembo zosindikizidwa, zilembo zina ndi mitundu ina yovuta malinga ndi mapulogalamu enieni.
Ponseponse, kusankha khadi yoyenera RF kumatengera kugwiritsa ntchito ndi zofunika. Makhadi otsika - amakhala ndi zabwino m'malo ovuta, {}}