3com 3CRWEASYA73-US. Data transfer rate (max): 108 Mbit/s. Modulation: BPSK, QPSK, 16-QAM, 64-QAM. Media access protocol: CSMA/CA. Number of users: 128 user(s), Frequency band: 5 GHz, Supported data transfer rates: 6/9/12/18/24/36/48/54/108 Mbps. Cabling technology: 10BASE-T/100BASE-TX