ZyXEL P-335U 802.11a/g Wireless Dual Band Router. Networking standards: IEEE 802.3, 802.3u & 802.11a/g. Security algorithms supported: WEP/WPA/WPA2. Flash memory: 4 MB, Internal memory: 16 MB. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 20 - 95 %. Weight: 413 g