USB WLAN Antena Kits/USB WLAN Antenna 1. USB 2.0 connector, with core chip MTK RT5370 ... .11n draft 2.0: BPSK, QPSK, 16-QAM, 64-QAM5. Antenna: PCB antenna6. Secutiry: WPA/WPA2, 64/128/152-bit WEP ... . Dimension: 18*22*2mm USB WLAN Antena Kits/USB WIFI Antenna