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  2. Wi-Charge - Wikipedia

    en.wikipedia.org/wiki/Wi-Charge

    Wi-Charge does claim that using infrared light for long-range wireless power has advantages over using radio frequency or ultrasound because of two main reasons: Physics. Because of their very short wavelength, infrared beams diverge (see Diffraction) much less than technologies with longer wavelengths. This means that the diameter of the beam ...

  3. AN/PEQ-15 - Wikipedia

    en.wikipedia.org/wiki/AN/PEQ-15

    The Advanced Target Pointer Illuminator Aiming Laser, ATPIAL AN/PEQ-15 known colloquially as the "PEQ-15" [/ p ɛ k / / f ɪ f t iː n /] produced by L3Harris (originally designed and manufactured by Insight Technology, until their acquisition by L3Harris in 2010); is a multifunction IR Target Pointer & Illuminator, a.k.a. a Laser Aiming Module (LAM) for use as a rifle attachment, using a ...

  4. Optical wireless communications - Wikipedia

    en.wikipedia.org/wiki/Optical_Wireless...

    Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the air" (or in outer space), without an optical fiber. Visible, infrared (IR), or ultraviolet (UV) light is used to carry a wireless signal. It is generally used in short-range communication; extensions exist for long-range and ultra ...

  5. Long-range optical wireless communication - Wikipedia

    en.wikipedia.org/wiki/Free-space_optical...

    Long-range optical wireless communication or free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking over long distances. "Free space" means air, outer space, vacuum, or something similar.

  6. Forward-looking infrared - Wikipedia

    en.wikipedia.org/wiki/Forward-looking_infrared

    Long-wave infrared (LWIR) cameras, sometimes called "far-infrared", operate at 8 to 12 μm and can see heat sources, such as hot engine parts or human body heat, several kilometers away. Longer-distance viewing is made more difficult with LWIR because the infrared light is absorbed , scattered , and refracted by air and by water vapor.

  7. Infrared Data Association - Wikipedia

    en.wikipedia.org/wiki/Infrared_Data_Association

    Range: standard: 2 m; low-power to low-power: 0.2 m; standard to low-power: 0.3 m. The 10 GigaIR also define new usage models that supports higher link distances up to several meters. Angle: minimum cone ±15° Speed: 2.4 kbit/s to 1 Gbit/s; Modulation: baseband, no carrier; Infrared window (part of the device body transparent to infrared light ...

  8. The 17 Best Remote Control Vibrators for Discreet & Long ...

    www.aol.com/17-best-remote-control-vibrators...

    With 3 times the range of other wireless toys, the Lyla is remote-controlled, though it charges by USB. The $159 device comes with a warranty, while the company also offers payment plans. Get the ...

  9. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

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