| resonant frequency | 9 |
| carrier frequency | 5 |
| radio frequency | 5 |
| high frequency | 4 |
| different frequency | 3 |
| low frequency | 3 |
| natural frequency | 2 |
| intermediate frequency | 1 |
| the range | 0.52 |
| phase | 0.50 |
| the radio frequency ran… | 0.44 |
| khz | 0.44 |
| the product specs | 0.36 |
| 5ghz band | 0.34 |
| the formula | 0.31 |
| the 2ghz ism band | 0.28 |
| critical band | 0.25 |
| low temperature | 0.25 |
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| remain constant | 0.69 |
| pass through filter | 0.60 |
| remain unchanged | 0.59 |
| increase with age | 0.57 |
| depend on size | 0.54 |
| carry information | 0.53 |
| get higher | 0.52 |
| increase with time | 0.49 |
| exceed accessed thresho… | 0.48 |
| change over time | 0.47 |
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| resonance | 0.49 |
| co-channel interference | 0.28 |
| similar pattern | 0.25 |
| interference | 0.15 |
| guard bands | 0.29 |
| common ≥ 1/10 | 0.29 |
| contrast | 0.28 |
| mobile transmit frequen… | 0.25 |
| rare 1/10,000 | 0.25 |
| wavelength | 0.49 |
| same energy | 0.47 |
| shorter wavelengths | 0.46 |
| effect | 0.43 |
| a wavelength of 12.2 cm | 0.38 |
| impact | 0.31 |
| certain clinical effect | 0.29 |
| mild sedative effect | 0.29 |
| higher energy | 0.28 |
| inverse relationship | 0.25 |
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| more power | 0.28 |
| larger antennas | 0.25 |
| harmony | 0.50 |
| health | 0.34 |
| narrow detection zone | 0.29 |
| the number of times | 0.50 |
| the number of waves | 0.46 |
| the number of cycles | 0.43 |
| the rate | 0.39 |
| measurable rate of elec… | 0.34 |
| average number of times | 0.29 |
| the number of wave cres… | 0.28 |
| the number of wavelengt… | 0.25 |
| the sample rate | 0.25 |
| calculated | 0.73 |
| measured | 0.72 |
| selected | 0.70 |
| analyzed | 0.70 |
| measured in hertz | 0.69 |
| shown in table | 0.68 |
| determined | 0.68 |
| changed | 0.66 |
| reduced | 0.65 |
| attenuated | 0.63 |
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| communication | 0.46 |
| radio | 0.43 |
| tv | 0.41 |
| both radiotelephone 120… | 0.41 |
| excitation | 0.39 |
| transmission | 0.39 |
| reception | 0.35 |
| radar | 0.28 |
| wireless microphones | 0.28 |
| simplex operation | 0.25 |
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