... for Access Control System 1)125KHZ 2)Distance of reaction:2 -20cm 3)Encapsulation materials Keyfob EM-ID cards for ... access control system,smart card,125KHZcard.blue,grey,yellow,red ... materialsPVC. ABSTypical applicationTimecard,enterprise one card system etc Keyfob EM-ID cards for access control system,smart card,125KHZcard.blue,grey,yellow ...