MELITOPOL, March 27. /TASS/. Domestic firmware has been installed on all Russian FPV drones, an FPV drone technician, call sign "Mechanic," told TASS.

"The firmware for both the RX (software for drone receiver - TASS) and the flight controller is our own development. We also use also use systems against spoofing (malicious takeover - TASS) and against electronic warfare," he said.

According to the Russian serviceman, the Ukrainian armed forces use weaker firmware.