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Tag Archives :dB

What's the meaning of dB in amateur radio?

When talking about the gain of antennas and power amplifiers, the dB is often mentioned, but do you know what it means and how do we use it?  ...

Read more  dB,  Power,  Mic gain

How to enter standby, DFU, initialization mode?

Many customers get errors when upgrading firmware because the radio doesn't enter DFU mode successfully. So, we need to distingguishi standby mode, DFU mode, and initialization mode to prevent operation errors.  ...

Read more  Ailunce HD1,  initialization mode,  Standby mode,  DFU mode