Antenna performance Electric impedance 2 Impedance bandwidths 2 Microwave antennas 2 Mobile antennas 2 5G mobile communication systems 1 Bioplastic substrate material 1 C/X band 1 Channel estimation 1 Chassis 1 Computer terminals 1 Design and optimization 1 Directional patterns (antenna) 1 Dual band antennas 1 Efficiency 1 Frequency bands 1 Interoperability 1 Location 1 Maximum variations 1 Microstrip antennas 1 Microstrip feed 1 Mobile phones 1 Mobile telecommunication systems 1 Mobile terminal antennas 1 Multiband antenna 1 Multiband antennas 1 Planar antennas 1 Planar patch antenna 1 RFID 1 Radiation efficiency 1