... CPU automatic identification ;2. fast reading speed , far reading distance , and good directionality , the reading distance can be controlled (1 ... mature IC card (ISO1433A standard) long distance reading and writing technology , One Card Solution long ... frequency : 433MHzInfrared frequency : 38KHzReading angle : 80 degLargest reading distance : 1~20mTag protocol : CDMAInterface type : Wiegand ...