Dual-Polarity Antennas are optimized for high-data-traffic, high-bandwidth, VOIP, IPTV. All antennas on our site that have 2×2 in the title are dual-polarity antennas
Carrier-Class antennas: Dual-Polarity for Wireless ISPs and large enterprises: Parabolic dish antennas, sectoral, grid and omni-directional. Optimized for high-traffic, VOIP, IPTV