Judging from its primary function to call and send short messages (SMS), mobile phone actually no longer a luxury gadget. In the market, there has been available a variety of types of cheap-cost mobile phones.?The main reason people buy and use mobile phone is simple, expected to be contacted or contact others anytime and anywhere. However, there are times when the expectation is not happening, like when the phone signal suddenly lost.
There are many reasons that make the signal ?of cellular phone is lost, among others, phone drop, wet, or damaged on its components.
If understood more deeply, power amplifier (functional components that provide power to the transmit signal when making a call), antenna switch (the component that serves as an automatic transfer switch and transmitter receiver path) until the software on the phone, are become frequent causes of loss of cellular signal.
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Location also affects the cell phone signal. Examples where the signal is inaccessible are elevators, basements, mountains, or sea. Places that no signal is called a blank spot.
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Although mobile operators continue to add and expand the network of Base Transceiver Station (BTS), sometimes we found places that are difficult to get a signal. Some of the ways in which to strengthen cell phone signal is to add aluminum patch on the back of the phone or on the cell phone battery.
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A number of people considered that this way does not much help to strengthen the signal from the BTS, but others consider this as an effective way to address the problem of the lost signal.
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Another way you can do is by using additional antennas that serve as repeaters to amplify signals. However, even though effective, the price of one device is much more expensive than the aluminum patch mentioned earlier.?
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Source: http://www.varieart.com/article388-When-the-Signal-of-a-Cellular-Phone-is-Lost
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