L-COM HG4958DP-30D 4.9-5.8 GHz Dual Polarized/X-Polarity 30dBi Dish Antenna. The HyperLink model HG4958DP-30D is a high performance broadband dual polarized solid dish antenna. Because of its' superb electrical performance and mechanical stability, the parabolic dish antenna can be used in a wide variety of high performance 4.9GHz and 5GHz range (5.1/5.3/5.4/5.8GHz) wireless applications. The wide band design of this antenna eliminates the need to purchase different antennas for each frequency. This simplifies installations since the same antenna can be used for a wide array of wireless applications. This antenna features 28 - 30 dBi of gain with a 4.8° horizontal beam-width and 4.9° vertical beam-width.