RFID shielding card siv lub teeb liab Circuit Court board nrog shielding technology los tiv thaiv RFID signals. Peb muab daim npav tiv thaiv ntau zaus hauv lub hnab nyiaj lossis hauv 3cm ntawm txoj haujlwm uas peb xav tiv thaiv lub teeb liab ntawm qee daim npav kom ua tiav cov txiaj ntsig ntawm kev tiv thaiv lub teeb liab, txawm li cas los xij cov cuab yeej siv ua txhaum cai, lawv tsis tuaj yeem nyiag koj daim npav. cov ntaub ntawv los xyuas kom meej kev nyab xeeb portability thiab tiv thaiv cov ntaub ntawv to. Daim npav tiv thaiv kab mob siab tuaj yeem faib nrog LED teeb thiab ob yam tsis muaj teeb pom kev zoo, xws li nrog LEDs: thaum cov neeg ua phem coj cov khoom siv tshwj xeeb nyiag khoom ze rau koj, daim npav tiv thaiv tub sab LED yuav teeb tsa los ua kev ceeb toom.