The MicroNEXT Wireless USB Adapter has auto-sensing capability which allows high packet transfer rate up to 108Mbps for maximum throughput, or dynamic range shifting to lower speeds due to distance or operating limitations in an environment with a lot of electromagnetic interference. It can also interoperate with all the 11Mbps wireless (802.11b) products. Your wireless communications are protected by up to 128-bit encryption, so your data stays secure. This is a premium retail boxed product backed up by a full 5 year warranty, a dedicated technical support service and a website