Example image of eyePlorer eyePlorer map for 'Microwave': Electromagnetic radiation Frequency Hertz Wavelength EHF Extremely high frequency Ultra high frequency RF engineering SHF Lumped element model Capacitor Inductor Radio waves Resistor Resonator Transmission line Waveguide Absorption (electromagnetic radiation) Diffraction Polarization Radio propagation Reflection (physics) Scattering Maxwell's equations Infrared Radio Terahertz radiation Wave Alternating current IEC Institute of Electrical and Electronics Engineers Optical window Cavity magnetron Gyrotron Klystron Traveling-wave tube Vacuum tube Density Laser Maser Field-effect transistor Gunn diode IMPATT diode Tunnel diode AT&T Communications Long distance Optical fiber Telephone call Frequency-division multiplexing Bluetooth