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  2. Mobile cell sites - Wikipedia

    en.wikipedia.org/wiki/Mobile_cell_sites

    Mobile cell sites are infrastructures transportable on trucks, allowing fast and easy installation in restricted spaces. Their use is strategic for the rapid expansion of cellular networks putting into service point-to-point radio connections as well as supporting sudden increases in mobile traffic in the case of extraordinary events (trade ...

  3. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    Mobile phone network. WCDMA network architecture. The most common example of a cellular network is a mobile phone (cell phone) network. A mobile phone is a portable telephone which receives or makes calls through a cell site (base station) or transmitting tower.

  4. Cell (biology) - Wikipedia

    en.wikipedia.org/wiki/Cell_(biology)

    The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope.

  5. Cell membrane - Wikipedia

    en.wikipedia.org/wiki/Cell_membrane

    The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates and protects the interior of a cell from the outside environment (the extracellular space).

  6. Martin Cooper (inventor) - Wikipedia

    en.wikipedia.org/wiki/Martin_Cooper_(inventor)

    On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to his counterpart at competitor Bell Labs.

  7. Organelle - Wikipedia

    en.wikipedia.org/wiki/Organelle

    In cell biology, an organelle is a specialized subunit, usually within a cell, that has a specific function. The name organelle comes from the idea that these structures are parts of cells, as organs are to the body , hence organelle, the suffix -elle being a diminutive .