On the possibility of improving the physical parameters of the receiving and transmitting antenna system
... of operating frequencies by the required width of the range used in communication systems.
Artemov D. G., Pimenov V. S., Ponimatkin V. E., Shpilevoy A. A., Gorbachev A. A.
antenna-feeder device, radiation pattern, operating frequency range, transceiver module, orthogonal placement of vibrators
70-78