BETAFPV Cetus Pro BL V2.1 Flight Controller - 25x25

The BETAFPV Cetus Pro BL V2.1 Flight Controller is a compact board designed for the Cetus Pro brushless platform. It features an integrated SPI FrSky receiver and 25×25 mounting pattern, providing stable flight control and simple setup for micro FPV whoop drones.

Note for publishing - very limited info on this, rounded up what we could. 

• Integrated SPI FrSky receiver (D8 protocol) for simplified binding and setup
• 25×25mm mounting pattern designed for the Cetus Pro brushless frame
• Lightweight board optimized for micro brushless whoop builds
• Designed for stable flight performance and beginner-friendly control
• Compatible with the Cetus Pro brushless drone platform

• Brand: BETAFPV
• Model: Cetus Pro BL V2.1 F411 Flight Controller
• Mounting Pattern: 25 × 25mm
• Receiver: SPI FrSky (D8 Protocol)
• Battery Input: 1S
• Weight: 6.4g with wire/connector
• Firmware Support: BETAFPV firmware/configurator
• Application: Micro FPV brushless whoop drones

IMPORTANT NOTE: 

• This FC is not a standard F4 Betaflight flight controller. It runs BETAFPV’s custom firmware, which supports beginner features like altitude hold and optical flow stabilization. This is a replacement part for the Cetus Pro.

• 1x BETAFPV Cetus Pro BL V2.1 Flight Controller
• 1x Hardware Set
• 4x Grommets