... .11 b/g, WPA, WPA2, WMM, WMM-PSWHQL, Cisco CCX, USB-IF HardwareChipset :Ralink RT3070Host interface: USB2.0/1.1 type ... 95% (Non-Condensing)Storage Humidity: RH 95% (Non-Condensing) DVR USB WiFi Adapter wireless network card with Ralink RT3070 Chipset