The Wireless N750 Cloud Router from D-Link is a router capable of functioning on both the 2.4 GHz and 5 GHz frequencies simultaneously. This dual band functionality allows for allocation of data making it possible to keep tasks such as email and web browsing on the 2.4 GHz frequency. You can then utilize the 5GHz frequency for more data intensive tasks such as streaming of HD quality content and transferring of large files. By keeping various tasks on specific frequencies you get a faster, more secure wireless connection.