If the machines are in different locations then they will experience different interference. It might only fail in the presence of too much 2.4GHz noise like wifi networks or other Bluetooth devices. Such interference will come and go over time.
If the machines are in different locations then they will experience different interference. It might only fail in the presence of too much 2.4GHz noise like wifi networks or other Bluetooth devices. Such interference will come and go over time.