Please note: send without a usb charger.
Firmware version: Betaflight BETAFLIGHTF3 . Beta75 bulit with Insane integrate with OSD : https://www.youtube.com/watch?v=IfdogjN80UE&feature=youtu.be
The same hole pattern with Tiny Whoop flight controller.More punch on throttle with 7x20mm motors and 3-blade 40mm propellers.
Built in Frsky rx is compatible with Taranis, Taranis Plus, X9E etc. This built in receiver integrate a power amplifier IC (PA) RFX2401C, so you could get up to long range. This is the biggest improvement than other board with no PA included.
The struts between the motor mounts and ducts are fragile and break easily. So these upgraded frames stiffen the struts considerably. The struts have a flat cross section which creates more bonding area with the duct.

Technical Details

Product Details

Package Dimensions
Width : 4.29 inch
Height : 2.17 inch
Length : 4.84 inch

Shipping Weight: 4.32 ounce (View shipping rates and policies)

ASIN : B07114T5N6