The AFU is already using Black Hornet Nano micro drones, they fit in your hand and are designed for urban warfare
The Armed Forces of Ukraine received Black Hornet Nano miniature drones.
Here's What We Know
The photo of the drone was published in social networks. Black Hornet Nano came to us from the UK and Norway. How many drones the AFU received is unknown.
Flashback
Black Hornet Nano is a military unmanned microfleet. It was developed by the Norwegian company Prox Dynamics for the British army. The drone has dimensions of 10 × 2.5 cm and weighs about 16 grams. It easily fits in your hand.
Black Hornet Nano is designed for combat operations at short distances, including in the city. The minidrone has an operating time of 25 minutes. It is capable of detecting targets at a distance of up to 2 km. The maximum flight speed is 21.49 km/h. Two drones are included at once. While one is working, the other is charging.
Source: horevica