You should calibrate the Rapidfire module after each firmware update. Actually it’s best to do this regularly to ensure the best possible performance. Here I will show you how.
In this ImmersionRC Rapidfire module review, we will go over the features and take a closer look at the build quality. We will also test it against other popular FPV Goggles receiver module for video quality and performance.
The ImmersionRC RF PowerMeter V2 allows you to quickly check if your VTX and radio transmitter are performing optimally. It can measure how much power your transmitter is actually putting out.