80dB Mobile Signal Amplifier Repeater Booster Multi Band 2G 3G 4G
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80dB Mobile Signal Amplifier Repeater Booster Multi Band 2G 3G 4G
Multi-band 2G 3G 4G Mobile Signal Amplifier Repeater Booster 900/1800/2100MHz
A cell phone booster is a device that gathers the signal from the air, usually through an outdoor unit (such as an antenna), and “conveys” this signal to an indoor unit that is supposed to boost the signal. This conveying is done through a wired connection between the outdoor antenna and the indoor unit. The indoor cell phone booster, in turn, is provided with external power through a power outlet and has a complex circuitry that allows it to amplify the weak signal that has been received by the outdoor antenna. The indoor unit then sends the electrical signal to the indoor antenna that is directly connected to the unit, and the antenna converts the electrical signal to waves of the same frequency as were received by the outdoor unit. This, the frequency range of the waves does not change, and the cell phones do not notice any difference, except for a dramatic increase in the signal power that they are receiving.
Thus, as we can see, cell phone signal boosters are devices that literally boost the cell phone signal that you are receiving. This is done through some complex circuitry that works through the use of external power and boosts the signal to usable levels.
Technical Specifications
Further detail pls click here for downloading the products specification: 900+1800+2100 A013 Signal Repeater.pdf
Product Description
OUR Cellphone SIGNAL BOOSTER 1. Smart LCD, show the real-time signal strength. 2. Sleeping Mode: When no user calls, the device works in Sleeping mode, so as to achieve the purpose of energy saving. 3. ALC(Automatic Level Control): Automatically adjust the output gain down to optimal figure while the output gain is above the optimal figure by the ALC circuit, this can greatly optimize the calling and data transfer quality. 4.AGC (Automatic Gain Control) : When the downlink output signal is too strong or self-oscillated, booster can automatically reduce the gain and reduce the interference signal. 5.MGC (Manual Gain Control): In order to install the booster conveniently, all frequency band of the booster have the Gain attenuation adjustment function, the adjustment scope is 0-27dB.
We are manufacturer, and have our own factory. Warranty
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| Product Tags: 80dB Mobile Signal Amplifier 2100MHz Mobile Signal Amplifier 80dB Mobile Signal Repeater | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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