Yog lawm,RFID tuaj yeem hla ntawm phab ntsa, tab sis cov hauj lwm zoo nyob ntawm hnyav heev ntawm covRFID zausthiab covcov khoom siv phab ntsa. Qhov no feem ntau yog qhov tshwj xeeb rau kev taug qab sab hauv tsev, tab sis qee zaum muaj kev txhawj xeeb txog kev nyab xeeb rau kev nkag tsis tau.
Yuav ua li cas txawv Frequencies coj
| Ntau zaus | Phab ntsa nkag | Sau ntawv |
|---|---|---|
| LF (125 kHz) | Zoo heev | Siv rau tsiaj cog thiab nkag mus rau daim npav; penetrates pob zeb thiab lub cev nqaij daim tawv zoo |
| HF / NFC (13.56 MHz) | Zoo | Dhau los ntawm phab ntsa qhuav, ntoo, thiab iav yooj yim; attenuates nyob rau hauv tuab pob zeb |
| UHF (860-960 MHz) | txwv | Feem ntau cuam tshuam los ntawm phab ntsa; pob zeb thiab hlau tseem ceeb thaiv lossis cuam tshuam cov teeb liab |
| Microwave ({0}} GHz) | pluag | Yooj yim thaiv los ntawm feem ntau cov khoom siv hauv tsev |
Khoom siv -Txoj cwj pwm tshwj xeeb
Passes yooj yim:
Phab ntsa ntub dej / gypsum board
Ntoo / plaster
iav
Yas
Npuag curtains
Attenuates tseem ceeb (txo ntau yam):
Qhob (tshwj xeeb yog tuab lossis ntxiv nrog rebar)
Cib
Dej / noo noo hauv phab ntsa
Pob zeb
Blocks kiag li:
Hlau phab ntsa los yog studs
Hlau mesh nyob rau hauv stucco los yog kev ruaj ntseg iav
Of elevator shafts los yog HVAC ducting
Ntau yam cuam tshuam
Txawm tias thaum RFID "mus dhau" ib phab ntsa, lubnyeem ntau yam poob ntau heev:
Kab - ntawm - pom: 10-meter UHF nyeem ntau yam
Los ntawm drywall: Nws tuaj yeem poob mus rau 3-5 meters
Los ntawm pob zeb: Tej zaum yuav poob mus rau 1 meter los yog xav tau kev nyeem ntawv repositioning
Los ntawm hlau: 0 meters (tag nrho thaiv)
Thaum Qhov Teeb Meem no
Cov ntawv thov siv tau
Cov tsev ntse: Chav- qib kuaj pom (paub txog chav twg ib tus neeg nyob hauv raws li RFID qhov chaw nyob)
Kev kho mob: Taug qab cov neeg mob lossis khoom siv los ntawm cov phab ntsa hauv tsev kho mob
Cov cuab yeej taug qab: Nrhiav cov khoom tagged hauv chav cia yam tsis qhib qhov rooj
Kev txhawj xeeb txog kev ruaj ntseg
Tsis tso cai scanning: Ib tug neeg uas muaj lub siab - tus nyeem ntawv muaj peev xwm yuav luam theej koj daim npav nkag los ntawm koj lub hnab, hnab ris, lossis txawm tias phab ntsa yog ze txaus
Kev dag nyob deb: Ntev-UHF cov neeg nyeem qee zaum tuaj yeem khaws cov cim npe lossis cov cim kev nyab xeeb los ntawm sab nraud lub tsev yog tias daim ntawv nyob ze ntawm phab ntsa sab nrauv
Tswv yim tswv yim
Txhawm rau tiv thaiv tsis xav tau los ntawm - phab ntsa nyeem:
SivHF / NFC (13.56 MHz)es tsis txhob UHF rau daim npav nkag- luv dua txhais tau tias nws tsis tuaj yeem skimmed deb ntawm phab ntsa
Khaws daim npav rau hauvRFID- thaiv cov hnab nyiaj(uas ua haujlwm tsis hais txog kev nkag mus ntawm phab ntsa)
Txoj hauj lwm UHF cov neeg nyeem kom deb ntawm cov phab ntsa sab nrauv kom tiv thaiv kom tsis txhob tawg
Txhawm rau pab los ntawm -phab ntsa nyeem:
SivLF lub HFzaus kom nkag mus zoo dua
Muab cov ntawv cim npe nyob rau sab ntawm cov khoom ntsib tus nyeem ntawv
Siv ntau dua - cov neeg nyeem fais fab (qhov twg raug tso cai) rau qhov chaw ua vaj tse