The development of the update was delayed somewhat due to the absence of enemy transmitting equipment at this frequency MOSCOW, September 15. /TASS/. The 3MX company has released an update of the fourth version of its Bulat drone detector, now capable of detecting signals within a previously unmonitored 7.2 GHz range used by Ukrainian armed forces. "In the summer, reports emerged about enemy drones operating at 7.2 GHz," a company’s spokesperson told TASS. "We recognized this as a new challenge