The 865MHz 4dBi screw mount duck type antenna, along with a 3-meter RG174 cable and a SMA male straight connector, is designed to improve signal reception for wireless communication systems operating in the 865MHz frequency range. With a gain of 4dBi, this antenna provides steady and consistent signal strength, making it appropriate for medium-range applications. Its sturdy screw moun... https://eteily.com/865mhz-antenna/517-865mhz-4dbi-screw-mount-duck-type-sigfox-antenna-in-australia.html