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Daily Archives:July 25,2020

What you need to know about SWR

SWR is short for Standing Wave Ratio. It's a parameter often used by hams to indicate if the antenna matchs with the transmitting radio. For SWR value, it has different effects on the built-in and external antennas. so there are differnt SWR standard required for antennas with the different working environment.  ...

Read more  SWR,  AmateurRadio

How to disappear the error when programming RT84

We got some customers feedback said they when they upgrade RT84 firmware or program, they will get an error" Excel Fail; firmware error; even no DMR users are displayed. Today I will tell you how to disappear these errors.  ...

Read more  RT84 FIRMWARE ERROR,  RT84 program error