Related by context. Frequent words. (Click for all words.) 57 frequencies 53 electromagnetic waves 53 radio frequencies 49 radio frequency 48 electromagnetic radiation 47 airwave 47 radiations 47 electromagnetic spectrum 46 3G spectrum 46 photon 46 2G licenses 46 wavelengths 46 2G spectrum 45 spectrum 45 frequency 45 radiofrequency energy 45 spectrum allocation 45 Mhz 44 pulses 44 radiofrequency 44 #.#MHz [002] 44 waveguide 43 transmitters 43 magnetic fields 43 signals 43 #.#GHz spectrum 43 photons 43 airwaves 43 electrical currents 43 microwaves 43 electro magnetic 42 laser beams 42 laser pulses 42 antennas 42 unlicensed spectrum 42 electromagnetic 42 resonators 42 #.#GHz frequency 42 #MHz [001] 42 electromagnetic fields 42 #MHz spectrum [001] 41 cellular 41 BWA spectrum 41 terahertz 41 millimeter wave 41 antennae 41 MHz 41 signal 41 amplitudes 41 ionosphere 40 megahertz 40 optical fibers 40 radio frequency RF 40 terrestrial 40 infrared laser 40 MHz spectrum 40 Wimax 40 basestations 40 resonator 40 excitation 39 GHz frequency 39 infra red 39 satellites 39 microwave 39 radiation emitted 39 waveguides 39 lasers 39 cellphone towers 38 Telecom DoT 38 #GHz [002] 38 ionizing 38 femto 38 subliminal messages 38 beamforming 38 bandwidths 38 infrared 38 narrowband 38 satcom 38 telecoms 38 gamma rays 38 wavelength 38 2G 37 DoT 37 radiation 37 Radio Frequency RF 37 wireless 37 satellite 37 transmitter 37 transponders 37 MHz frequency 37 GSM operators 37 infrared radiation 37 CDMA GSM 37 photodiode 37 modulation 37 regulator Ofcom 37 gigahertz 37 optical fiber 37 waveforms 37 THz 37 picocell