D-Link DKT-710. Data transfer rate (max): 54 Mbit/s. Frequency band: 2.4 - 2.462 GHz. Security algorithms supported: SSID, Authentication method: WPA/WPA2, VPN support: IPSec/PPTP/L2TP. Dimensions (WxDxH): 121 x 196 x 32 mm, Weight: 0.327 kg. Operating temperature range (T-T): 0 - 40 °C