The Netis 300Mbps Wireless N Range Extender E1+ Is Designed To Establish A Highly Efficient Mobile Office Or Entertainment Network With Wider Coverage. E1+ Works As A "Range Extender" In Default, Which Will Pick Up The Wireless Signal From Your Main Router And Expand It To Somewhere That Your Main Router May Not Reach. Also, E1+ Can Support Router Mode To Setup A Secured Internal Network From A Dsl Or Cable Modem. With Portable Design, It'S A Perfect Choice For Travelers, Students, Or Anyone Else For Work Or Play.