“All digital broadcasting services operating above the 694 MHz frequency must also be returned to operate on frequencies below 694 MHz in order to clear broadcasting services from the 694 to 862 MHz frequency band,” he stated.

Source: https://mybroadband.co.za/news/broadcasting/496607-south-africa-announces-switch-off-date-for-analogue-tv-13-years-late.html

And as others have said, this is all eliminated by a firmware update that filters out ultrasonic frequencies.

Source: https://it.slashdot.org/story/23/04/06/2221257/new-ultrasound-attack-can-secretly-hijack-phones-and-smart-speakers?utm_source=rss1.0mainlinkanon&utm_medium=feed

Audio system experts say deep, low, and medium bass frequencies can reduce dynamic volume.

Source: https://sonomasun.com/2023/06/30/a-sneak-peek-into-dsp-audio-devices-for-some-ideas/

Because of a difference in radio frequencies, he learned, those vessels didn’t find out about the torpedo attack until a message was sent from the Leopoldville to England and relayed back to France.

Source: https://triblive.com/local/westmoreland/westmoreland-natives-killed-in-christmas-eve-1944-u-boat-attack-have-lives-preserved-digitally/

British Airways and Virgin Atlantic get 21 frequencies to Nigeria, and we had none.

Source: https://www.vanguardngr.com/2023/11/air-peace-to-begin-london-operations/

Caron suggests keeping keys a long way away from the driveway, or placing them inside a metal box that will interfere with the radio frequencies.

Source: https://www.cbc.ca/news/canada/ottawa/ottawa-gatineau-vehicle-thefts-1.6722493?cmp=rss

Colored bars represent the total interaction frequencies of host plants and herbivores.

Source: https://phys.org/news/2023-08-fossil-factors-enormous-herbivore-diversity.html

For the summer season, Vueling has a network of 278 short and medium-haul routes in Europe, North Africa and the Middle East, offering up to 17 weekly frequencies from London Gatwick to Paris Orly during the summer season.

Source: https://metro.co.uk/2023/08/21/i-havent-been-to-disneyland-paris-in-27-years-has-it-got-better-19343780/

Hong Kong on Sunday raised a storm signal, effectively shutting the city down with shops and schools closing and reducing frequencies of public transport.

Source: https://krdo.com/news/2023/10/08/hong-kong-cancels-scores-of-flights-as-tropical-storm-koinu-draws-nearer/

Hong Kong on Sunday raised its No. 8 storm signal, effectively shutting the city down with shops and schools closing and reducing frequencies of public transport.

Source: https://www.mymotherlode.com/news/asia/3241710/hong-kong-cancels-scores-of-flights-as-tropical-storm-koinu-draws-nearer.html

Ill-matched frequencies lead to disharmony.

Source: https://www.newdawnmagazine.com/articles/sound-healing-energy-medicine-can-raga-therapy-calm-the-emotions

Introduced in iOS 14, a feature known as Headphone Accommodations enhances the audio from your AirPods by boosting softer sounds and certain frequencies.

Source: https://mashable.com/article/best-apple-airpods-tips-tricks

It also includes a bass booster feature to enhance the low frequencies.

Source: https://www.devicemag.com/iphone-equalizer/

It even has a slightly more modern radio, one that might be able to pick up American broadcast frequencies.

Source: https://jalopnik.com/subaru-360-kawasaki-alfa-romeo-spider-dopest-cars-onlin-1850455581

It features a 100Hz EQ knob to cut or boost your low end by +/-12dB and a curve control to fine-tune the corner frequencies of your tone.

Source: https://americansongwriter.com/brad-paisleys-pedals/

It may also allow the Chinese to sense electromagnetic emissions that higher-altitude satellites can't detect, such as low-power radio frequencies that could help them understand how different US weapons systems communicate.

Source: https://www.dailymail.co.uk/news/article-11712321/ANOTHER-Chinese-spy-balloon-spotted-sky-time-Latin-America.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

It was a clash of frequencies that couldn’t last, and eventually it all came crashing down.

Source: https://metro.co.uk/2023/01/01/i-discovered-binaural-beats-on-youtube-they-saved-my-mental-health-18009520/

It works at low frequencies and enables wireless charging over distances up to 20 centimetres and angular deviations up to 60 degrees.

Source: https://www.gadgets360.com/mobiles/news/infinix-aircharge-extreme-temperature-battery-technology-ces-2024-announcement-4672250

Larger speakers reproduce more low frequencies.

Source: https://americansongwriter.com/best-vox-amps/

Like a radio tuner, it can separate out radio frequencies, and it turns signals into spectra.”

Source: https://www.canindia.com/telescope-to-search-for-ancient-radio-waves-on-dark-side-of-moon/