ACR122U mea pono i nā CCID a me PC / SC. Penei, ia mea he polokalamu-a-hula USB lima kūlana kiʻekiʻe i hiki interoperability me kekahi mau manaʻo a me ka noi. Me ka hookipaia a mämä holo o ka mai i 424 kbps, a me ka USB holo piha no i ka 12 Mbps, ACR122U hiki i heluhelu a kakau hou koke a me ka maiau. Ke koke pae'ōnaehana loihi o ACR122U mea i ka 5 knm, ke kaumaha ma muli o ka 'ano o contactless Tag ma ka hoʻohana. I mea e hoomahuahua i ka mālama 'ilikai, ACR122U hiki ke noniakahi me ka ISO 7816-3 Sam kau ....