For extra network coverage (up to 3-4 km in the line of sight), this external 8dBi Omni antenna - the TOF-2400-8V-4 can help a lot. If necessary, this antenna can be used for any 2.4 GHz device. Not only it works with the 2.4 GHz LoRa® connectivity, it also supports the regular 2.4 GHz WLAN. It comes with a 1m long SMA cable and a mechanical holder for quick and easy mast attachment for extra network coverage. It has a compact size and increased durability without sacrificing the power.