Kozlov, V., Kozlov, Y., Shcherbina, O., Novykova, O. and Iokhov, O. 2020. MULTIFUNCTIONAL ANTENNA DEVICE FOR PROTECTION OF RADIO COMMUNICATION CHANNELS OF UNITS OF LAW ENFORCEMENT FORCES. Advanced Information Systems. 4, 3 (Oct. 2020), 150–155. DOI:https://doi.org/10.20998/2522-9052.2020.3.22.