A portable antenna for wireless communication, the portable antenna comprising: an electromagnetically reflective material; a first mechanical structure supporting preferred shape of the electromagnetically reflective material when in deployed position; a second mechanical structure attached to at least one point on the preferred shape and adjustable to hold a mobile wireless communication device at a preferred position relative to the preferred shape, is claimed. Additionally disclosed is a system comprising the portable antenna wherein the second mechanical structure is adapted to hold a feed instead of a mobile device and a cover for a mobile wireless communication device, comprising a signal coupling mechanism, and a signal routing means, and wherein the a signal routing means is coupled to the feed.