Identification cards -- Test methods -- Part 6: Proximity cards -- Amendment 4: Bit rates of fc/8, fc/4 and fc/2 and frame size from 512 to 4096 bytes— 34 стр.
Identification cards -- Test methods -- Part 6: Proximity cards -- Technical Corrigendum 1: R2 value range, start of PICC transmission and program for EMD level measurement— 2 стр.