Both fronts use DJI drones[0][1], although DJI suspended its activities in both Russia and Ukraine as of April 26, 2022[2] and contractually forbids[3] any sales by dealers to either country and for combat use.
However, other actors are entering the war business, like Parrot[4].
They still use mostly DJI drones by burning an older firmware and using an anonymizer to hide takeoff and pilot's position from a potential aeroscope. DJI's are pretty cheap and really good at what they are doing.
However, other actors are entering the war business, like Parrot[4].
[0]: https://docs.google.com/spreadsheets/d/1NtgseODXGSAomx6G5Efw...
[1]: https://foreignpolicy.com/2023/02/16/ukraine-russia-war-dron...
[2]: https://www.dji.com/uk/newsroom/news/dji-statement-on-sales-...
[3]: https://www.dji.com/newsroom/news/dji-statement-on-dji-relat...
[4]: https://www.lesechos.fr/weekend/high-tech-auto/henry-seydoux...