Linksys USB VPN & Firewall Adapter. Data transfer rate (max): 100 Mbit/s. Firewall security: IPSec 56-bit DES, 168-bit 3DES. Dimensions (WxDxH): 120 x 15 x 64 mm, Weight: 70 g. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 10 - 85 %. Cables included: Cat 5e Ethernet USB