Arranging and conducting business conferences; arranging and conducting business conferences in the field of open source software

Antennas; antenna filters; antenna boosters in the nature of antenna amplifiers; car antennas; recreational vehicle antennas; satellite antennas; radar antennas; radio frequency antennas; antennas for wireless communication apparatus; antennas and aerials as communications apparatus; receiving antennas for satellite broadcast; Global positioning system (GPS) and global navigation satellite system (GNSS) antennas; short-range wireless interconnection antennas; antenna open-wire transmission ma...