
The FrSky’s R9 receiver is designed to work with the Frsky R9M long range module, however it was just a bit too big for mini quads. Therefore Frsky made a smaller version, the R9 Slim, which we will check out in this review.
The FrSky’s R9 receiver is designed to work with the Frsky R9M long range module, however it was just a bit too big for mini quads. Therefore Frsky made a smaller version, the R9 Slim, which we will check out in this review.