|2020-04-21||ISRM v2.1.0||1.Improved reliability and stability of signal connection
2.Increased the range of control
3.Improved the stability of telemetry feedback
4.Added FLR ( Frame Lost Rate) display.
5.Added configurable function for telemetry power.
6.Added the option for switching S.Port / F.Port protocol
* the suggested alarm value for ACCESS RSSI is 32/35.
7.To be compatible with v2.1.x ACCST firmware for ACCST D16 mode.
Note: Please update the firmware of all your radios(latest openTx or FrOS), RF modules and receivers accordingly.