This low-profile, omnidirectional antenna features six elements: a set of three antennas for the 2.4 G Hz band & a set of three antennas for the 5 G Hz b&. Peak gain is 2.5d Bi in the 2.4 G Hz band & 3.5d Bi in the 5 G Hz b&. This antenna was specifically designed for use with 802.11n access points to optimize performance.