F3 EVO Brushed Flight Controller (Frsky Rx) – BETAFPV Hobby
BETAFPV - The upgraded F3 brushed FC board is available. Several noticeable improvement. 1) 30A continuous drain current MOSFET. Lower to 8.5mΩ inner resistance value. 2) TX1 is available for VTX control.
BETAFPV Flight Controller F3 Brushed for Frsky FC with OSD to buy | FPV24.com
BTA00313249 - Beta65S F4 Brushed Flight Controller (FrSky Rx + OSD) By BETAFPV @ Great Hobbies