Industrial Ethernet WLAN wireless modem is IEEE 802.11a/b/g-compatible in 2.4 and 5.8 GHz bands, and it can be used as an access point, bridge or client. Power can be supplied using Power over Ethernet (PoE) or with the redundant power supply connections. WPA/WPA2 encryption and Radius server authentication (IEEE 802.1X) prevent unauthorized access.