According to mil.in.ua website, the Belarusian military will be armed with additional Russian Supecam UAVs. The estimated purchase price is 3,132,702 Belarusian rubles ($1,068,962). The Supercams must be delivered by January 31, 2024. The Russian military is already using its Supercam drones against Ukraine.
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Russian-made Supercam drones like this one are already in service with the Belarusian army (Picture source: motolko.help via mil.in.ua)

The army of Belarus wants to receive an unmanned aerial vehicle (UAV) of the Supercam C350 and C150 type. The manufacturer of drones is the Russian group of companies "Unmanned Systems". According to the auction documents, Belarus plans to buy a complete set (with a set of spare parts, necessary software and supporting equipment).

The drones are purchased to be operated by the 927th Center for Training and Application of Unmanned Aerial Systems (military unit 97085) which was established in 2010. Initially,, the main task of the center was the preparation for combat use of anti-tank guns by conducting research in the field of tactics, as well as training specialists in the use of anti-tank guns.

Belarus president Lukashenko inspects a Russian Supercam drone already in service with the Belarusian army (picture source: Ministry of Defense of Belarus)

Technical data

Supercam S150: 2 hours flight time. The communication range of the control channel is up to 50 km, video signal transmission is up to 25 km via a digital broadband-protected video channel.
Supercam S350: 4.5 hours flight time. The transmission of information at up to 100 km around provides enough opportunities for using UAVs in surveillance and reconnaissance missions.

Supercam S150

Supercam S350

Defense News June 2023