FrSky TANDEM X20 R Blackish Green label_Pre-Order Motor Type：Brushless Motor

Motor Type：Brushless Motor

Set the number of strings error alarm: stand by

Graupner or FRSky the AR EXTREME RRS has you covered

Please download manual here

FrSky TANDEM X20 R Blackish Green label_Pre-Order Motor Type：Brushless MotorPlease download manual here Overview TD ISRM RS RF PERFORMANCE With solid performance based on the dual band 900M 2. 4G RF signal link with multiple operating combinations of RF modes, the TANDEM X20R & X20RS versions are equipped with the TD ISRM RS built in RF module which is capable of supporting multiple protocols (like TW, TD, etc). The TD ISRM RS RF module has the dual 2. 4G TW RF mode and supports simultaneous activation of working under TW and