FM4428 Contact Smart ISO7816 Finish Review

We bought the cards because they were advertised as ISO 7816 compliant When the cards arrived they could not be read by four different CAC readers / PIV . opensc-tool and opensc-explorer reported "Failed to connect to card: card not responding (inserted correctly?)". By tracing part numbers to manufacturers, the manufacturer states that the SLE4428 card is a "memory card" and not a "smart card". The website also states that the card is "ISO 7816 compliant" (implied form factor) and not "ISO…