The 16-element design allows tuning for multiple frequency bands, so we've tuned this antenna to suits a number of common applications! It provides excellent sensitivity across the following bands, and excellent isolation from frequencies in between. provide excellent range for HNT (Helium) hotspots。 16-element collinear dipole antenna: 8dBi gain with very low SWR (typical 1.30 @ 868Mhz; max 1.50)。 High quality low-SWR tuned multi-band antenna with N-female connector. Narrow-bandwidth resonance at several key frequencies, including 868Mhz 。Support RAK2 Nebra Bobcat EasyLinkIn Syncrob helium miner . It can enhance the signal strength and signal coverage, and make miner get more witnesses and more hNT rewards Package: 1 x antenna , 1x 5 meters low-loss 50ohm RG58 cable, 1 x SMA adapter, 1 x mast mounting kit.