600-2700mhz-antenna wifi 5ghz wifi antenna /gsm/dtu wireless module transmission antenna sma frp antenna When the directional gain of the antenna decreases by 30dBi, the corresponding frequency range of the antenna. Any antenna has a band operating range. Different technologies, such as 1G, 2G, 3G, 4G, 5G, 6G. The penetration distance of high gain antenna is 1-3 km. The antenna produced by the company can be designed and produced according to 1-38dBi gain