FAQ FeliCa Standard IC Card Products What is the anti-collision function? Anti-collision function prevents interference when more than one card is placed on the reader at the same time. Relevant Products FeliCa Standard SD1Contactless IC Chip RC-SA01 Learn more FeliCa Standard RC-S888 RC-S889 Learn more Specifications Technical definition Go to Support & Contact TOP FAQ Search (fill in some keywords to find)