Helium Miner Antenna Upgrade By replacing the standard antenna of a Helium Miner and placing it outdoor, you can increase the amount of HNT it earns. The standard antennas that come with a Miner have a strength of between 2-4 dBi. Replacing the antenna with a stronger 6.5 or more dBi antenna, you can increase … Continue reading Helium Miner Upgrade