Main technical parametersTypical Maximum Read Range*R10 1.5-2.5″ (3.8-6.3ntxhuav)R30/RW300 1.5-3.0″ (3.8-7.6ntxhuav)R40/RW400 2.5-4.5″ (5.1-10.2ntxhuav)RK40/RWK400 3.0-4.0″ (6.3-8.9ntxhuav)Dimensions2.125″x3.375″x0.070″ max. (5.40×8.57×0.18ntxhuav)Card ConstructionABS Shell with PVC Cover Label.Memory TypeEEPROM, read/writeMulti-application Memory2kbit (256Byte) card with 2 application areas *Dependent upon installation conditions. Daim Ntawv Ceeb Toom: JavaScript yuav tsum tau rau cov ntsiab lus no.