无线环境中，手机、计算机等接入信道的mac层协议-At wireless radio environment,handphone、computor use mac potocol to access chanel.

Radio Frequency Identification (RFID) systems have recently received a lot of attention in supply chain applications. One of the challenges facing RFID in this application domain is the fast identification of a large number of tags that are simul

driver for acr122u-A9