
A guide to important FPV drone abbreviations and terms

The BETAFPV Pavo Femto is a compact 75 mm-wheelbase FPV Whoop designed for the DJI O4 Air Unit digital system and 4K/60 fps video. LAVA 1102 14000KV motors and 40 mm Gemfan 1611 three-blade propellers provide agile performance with a stated 6.75:1 thrust-to-weight ratio.


The reinforced Whoop frame features an optimized duct and a DJI O4 bracket with vibration dampers to reduce camera vibration and rolling jello effects. The F4 2–3S 20A AIO controller includes 9 V / 2 A and 5 V / 3 A BEC outputs. Ready for configuration and freestyle or cinematic FPV flying.
The stated weight is 54.77 g with DJI O4 Air Unit. The Polish source specifies around 5 minutes 15 seconds of hover flight in test conditions; real results depend on batteries, flying style and conditions.

| Manufacturer | BETAFPV |
| Model | Pavo Femto Brushless Whoop Quadcopter |
| Version | DJI O4 Air Unit |
| Drone type | Brushless Whoop FPV drone |
| Wheelbase | 75 mm |
| Frame | Pavo Femto Brushless Whoop Frame – black |
| Motors | LAVA Series 1102 14000KV |
| Propellers | Gemfan 1611, 3-blade, 40 mm |
| Video transmission system | DJI O4 Air Unit |
| Camera | DJI O4 Camera |
| Recording resolution | Up to 4K / 60 fps |
| HD VTX bracket | O4 Air Unit bracket with vibration damping |
| Flight controller | F4 2–3S 20A AIO FC |
| Microcontroller | STM32F405RGT6 |
| Gyroscope | ICM42688P |
| Blackbox memory | 16 MB |
| RC receiver | Built-in Serial ELRS 2.4 GHz |
| ESCs | Built-in 4 × 20 A BLS ESC, 2–3S |
| Motor connectors | JST 1.25, 3-pin |
| BEC output for DJI O4 | 9 V / 2 A |
| Additional BEC output | 5 V / 3 A |
| Recommended battery | BETAFPV LAVA 2S 450 mAh |
| Thrust-to-weight ratio | 6,75:1 |
| Flight time | Approx. 5 min 15 sec (test conditions) |
| Weight with DJI O4 Air Unit | 54,77 g |