This compact antenna covers a frequency range of 2.4 - 2.5 GHz and 4.9 - 5.9 GHz. It is unidirectional with a minimum gain of 5 dBi in the 2.4 GHz band and 7 dBi in the 5 GHz band. Front to back is at least 20 dB on both bands. It can be mounted on or near a computer, or attached to an office partition on a vertical surface.