Extend Cell Phone Battery Life
With PDA's and other smart phones, the length of time between battery charges is an increasingly discussed topic.
It stands to reason that the length of a cell phone battery charge is directly dependent on how much power the cell phone needs to get its signal too and from the cell phone tower. That depends on how far away the tower is, which frequency is being used, the humidity (really) and a few other factors.
The cell phone is in almost constant communication with, and takes instructions from, the tower. Too much power to the tower kicks other people off. So the tower tells the cell phone to turn itself down if too much signal gets to it and up if too little signal gets there.
One of the best ways to extend cell phone battery life is with the use of an external booster antenna that connects to a port on the device's back, if it has one. Fewer cell phones do have them these days and fewer still will have them as time passes. You can check to see if your cell phone has one by going here: BLACKCAT! Cell Phone Antenna. Cell phones are listed here by make and model.
If your cell phone does not have a booster antenna port, your next option is a wireless cell phone signal repeater. It has an outside antenna to pick up the signal, an amplifier to boost the signal and an inside antenna to project it wirelessly over a given area. For outgoing calls, the sequence is just reversed. They come in many variations. Go here for Wilson Mobile Cell Phone Amplifiers & Repeaters and here for Wilson Building Cell Phone Amplifiers & Repeaters.
All of these devices have been available for years and are proven technologies. They each significantly extend cell phone battery life because the tower sees the cell phone as sending out more of a signal than is needed and instructs it to turn down. That causes the battery charge to be extended.
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