Data communication apparatus and instruments, namely, modems, amplifiers, and antennas; electric telecommunication apparatus, namely, modems, amplifiers, and antennas; computer software for wireless network communications; radio transmitters and receivers; transceivers; audio receivers; satellite receivers; audio and video receivers; high-frequency apparatus, namely, modems, amplifiers, and antennas; antennas; transmitters of electronic signals; electric communication apparatus, namely, modem...