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  2. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation associated with mobile phone antennas or cell phone towers is affecting human health. [1] Mobile phone networks use various bands of RF radiation, some of which overlap with the microwave range. Other digital wireless systems, such as data communication ...

  3. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    The wireless headset communicates with the base-station via 2.4 GHz RF, and the voice signals are sent or received via the base unit to the telephone unit. Some products will also offer an automatic handset lifter , so the user can wirelessly lift the handset off the telephone by pressing the button on the wireless headset.

  4. Digital enhanced cordless telecommunications - Wikipedia

    en.wikipedia.org/wiki/Digital_enhanced_cordless...

    Digital Enhanced Cordless Telecommunications ( DECT) is a cordless telephony standard maintained by ETSI. It originated in Europe, where it is the common standard, replacing earlier standards, such as CT1 and CT2. [ 1] Since the DECT-2020 standard onwards, it also includes IoT communication. Beyond Europe, it has been adopted by Australia and ...

  5. 2.4 GHz radio use - Wikipedia

    en.wikipedia.org/wiki/2.4_GHz_radio_use

    Many of the cordless telephones and baby monitors in the United States and Canada use the 2.4 GHz frequency, [ 1] the same frequency at which Wi-Fi standards 802.11b, 802.11g, 802.11n and 802.11ax operate. This can cause a significant decrease in speed, or sometimes the total blocking of the Wi-Fi signal when a conversation on the phone takes ...

  6. TV Ears - Wikipedia

    en.wikipedia.org/wiki/Tv_ears

    The 5.0 Dual Digital wireless TV listening system, is the most powerful of the TV Ears’ headsets, containing twice the number of light emitting diodes. The system operates off of a digital connectivity via an optical digital audio cord and is compatible with Dolby Digital, SRS, and PCM ensuring that it works successfully with any television ...

  7. ISM radio band - Wikipedia

    en.wikipedia.org/wiki/ISM_radio_band

    In recent years ISM bands have also been shared with (non-ISM) license-free error-tolerant communications applications such as wireless sensor networks in the 915 MHz and 2.450 GHz bands, as well as wireless LANs and cordless phones in the 915 MHz, 2.450 GHz, and 5.800 GHz bands. Because unlicensed devices are required to be tolerant of ISM ...

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