This is an indoor omni-directional antenna with 4 dbi/5 dbi/6 dBi gain. Also included is a heavy duty magnetic base that measures 2.5 inches in diameter and weighs 11 ouncesYou can use the included magnet base with the factory antenna of any of these miners, or with the included 5.8 dbi antenna. As gain increases, your vertical path will decrease, allowing you to communicate with hotspots from a greater distance but reducing your ability to be in the path of closer hotspots. As your community experiences new miners over time, it may be necessary to adjust what antenna you are using to deal with the density.This is a rigid solid antenna with no elbow bend point, therefore if you plan to use directly with your miner without using the magnet base, please note this. We recommend using with the included magnet base for maximum performance.Frequency range: 915 MHzGain: 4/5/6 dBiVSWR<1.5Polarization:Vertical; Directivity:Omni-Directional; Material:ABS,CopperAntenna connector: N-Type male; Impedance:50 ohmAntenna height:45cm/60cm/80cmBase diameter 2.5 inchesMagnetic Base: With magnetic base(2m RG58 cable and RP-SMA male ) Adapter:SMA male-RP SMA Female Low loss shielded cableOur cable includes 11 feet of CFD-200 shielded coax cable built-in, with RP-SMA termination (to connect to your miner). CFD-200 has a gain loss of just 1.1 dBi at 11 feet. Lower cost bases generally use RG58 cable which has a loss of 1.7 dBi, over 50% more loss. Recommended UseUse with your Nebra, Bobcat, or RAK miner to help increase your coverage area. This is an indoor antenna and not rated for outdoor use. Check for Rokland brand outdoor mining antennas online. We recommend placing this inside near a window, or in a more optimal place for sending and receiving than where your miner currently is.Package included:1Pc Antenna1Pc Magnet Base With 2m RG58 cable and RP-SMA male Cable Cable1Pc SMA male-RP SMA Female