What is a "Cell Repeater"? The Most Authoritative Explanation.
What is a cellular repeater?
A cellular repeater(also known as cell phone signal boosteror cell phone signal amplifier) is a type of bi-directional amplifierused to improve cell phonereception.What if there is no signal to amplify a cell phone repeater?
If there is no signal to amplify, the cell phone repeater system will be nothing but an expensive trinket. The weaker the incoming signal, the more difficult it is to amplify, and the more systems you will need to adequately cover a large space. The additional noise added by an amplifier is called the “noise figure.”Do cellular repeaters have omnidirectional antennas?
Some cellular repeater systems can also include an omnidirectional antenna for rebroadcasting the signal indoors. Depending on attenuation from obstacles, the advantage of using an omnidirectional antenna is that the signal will be equally distributed in all directions. Motor vehicle antenna[edit]How does an optical communications repeater work?
An optical communications repeater usually consists of a phototransistor which converts the light pulses to an electrical signal, an amplifier to increase the power of the signal, an electronic filter which reshapes the pulses, and a laser which converts the electrical signal to light again and sends it out the other fiber.
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