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2. Television set - Wikipedia

   en.wikipedia.org/wiki/Television_set

   A key feature is the pillow speaker connection. Pillow speakers combine nurse call functions, TV remote control and a speaker for audio. In multiple occupancy rooms where several TVs are used in close proximity, the televisions can be programmed to respond to a remote control with unique codes so that each remote only controls one TV. Smaller ...

3. Broadcast television systems - Wikipedia

   en.wikipedia.org/wiki/Broadcast_television_systems

   Analog television system by nation Analog color television encoding standards by nation. Every analog television system bar one began as a black-and-white system. Each country, faced with local political, technical, and economic issues, adopted a color television standard which was grafted onto an existing monochrome system such as CCIR System M, using gaps in the video spectrum (explained ...

4. ISDN - Wikipedia

   en.wikipedia.org/wiki/ISDN

   B channels are used for data (which may include voice), and D channels are intended for signaling and control (but can also be used for data). There are two ISDN implementations. Basic Rate Interface (BRI), also called basic rate access (BRA) — consists of two B channels, each with bandwidth of 64 kbit/s , and one D channel with a bandwidth ...

5. WiMAX - Wikipedia

   en.wikipedia.org/wiki/WiMAX

   WiMAX base station equipment with a sector antenna and wireless modem on top. Worldwide Interoperability for Microwave Access (WiMAX) is a family of wireless broadband communication standards based on the IEEE 802.16 set of standards, which provide physical layer (PHY) and media access control (MAC) options.

6. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   Access control: only receivers hit by the laser receive power. Drawbacks include: Laser radiation is hazardous. Without a proper safety mechanism, low power levels can blind humans and other animals. High power levels can kill through localized spot heating. Conversion between electricity and light is limited.

7. B - Wikipedia

   en.wikipedia.org/wiki/B

   B, or b, is the second letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.Its name in English is bee (pronounced / ˈ b iː /), plural bees.