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8 DIY Genius cell phone signal amplifiers

Tired of staying in one corner of your living room so you can use your phone, because mobile reception is virtually non-existent? Do you love hiking, but can’t afford to stay disconnected when you go for waterfalls and sunsets? If your answer to any of the questions is yes, then a cell phone signal amplifier is exactly what you need.

The signal amplifier identifies and amplifies the nearest signal, thus improving the reception of your phone. However, most cost somewhere between $ 400 and above, making creating your own a good way to reduce costs. Here are eight brilliant ideas for boosting cell phone signal for your own inspiration.

1. Cheap and simple GSM signal amplifier

You don’t need a huge budget or complicated items to make a cell phone booster. Get any copper wire that hangs around you, a magnetic GSM antenna, and then follow the step-by-step guide shown in the video above to create a signal amplifier.

Result? Highly efficient signal amplifier for mobile phones 2G, 3G, 4G to LTE, so you will never have to deal with interrupted calls again, no matter where you are.

2. Home portable 4G LTE signal amplifier

Do you only need a 4G signal amplifier? Well, making one is no big science. And you won’t even need complicated items. You will use easily accessible items such as iron wire, a magnet to confirm that it is really iron wire, a screwdriver, a scale and a TV cable wire for the project.


Start by straightening the wire, bending it 45 degrees, and following the steps in the YouTube step-by-step tutorial above.

3. Iron Hanger Signal Booster

Did you know that you can make a signal amplifier out of an iron hanger? If not, yes now. And the process is quite straightforward.

Simply straighten the iron hanger, peel it off with a razor blade, bend it into a diamond shape, and then complete the process as shown in the YouTube tutorial.

And if that didn’t take long enough, check out these other simple DIY projects you can work on to overcome weekend boredom.

4. Mobile phone signal amplifier using PCB

If you are tired of lousy mobile phone reception and you have a talent for technical projects, this PCB amplifier for mobile phones is ideal for you. Completion will take a little longer than other projects on our list, but once you’re done, you’ll have a signal amplifier capable of amplifying 2G to 4G network signals.

Undoubtedly it’s worth the effort, in addition, the tutorial is quite straightforward and even includes links to more detailed tutorials so you can easily create your own. You can look at how to solder wires and electronics to make this project easier.

5. Multipurpose signal amplifier

Do you have more cell phones that need a signal boost? Create this multi-purpose signal amplifier and skip the cost of buying an expensive multi-purpose repeater. For this project you will need a copper coil, a transistor, a 30pf variable capacitor, a pair of 200k, 2.2K and 100ohm resistors, a 27pf capacitor, a 20MHz crystal oscillator, an LED indicating when it works, and a PCB board to put it all together.

Consumables shouldn’t cost you much and are also much cheaper than commercial options. The best part? Once you have created the copper coils (by winding them on a screwdriver), all you have to do is mount them and your multi-purpose signal amplifier will be ready to use.

6. Aluminum foil signal amplifier

Iron curtain signal amplifiers are easy to manufacture, but the aluminum foil amplifier is even simpler. All you have to do is wrap a piece of copper wire, cut a 3.5 mm RCA connector, glue one end to the wire in the foil and connect the end with the connector to the phone to amplify the signal.

It is easy to manufacture and highly portable, which means you can take it on your camping trips. Most importantly, it is highly efficient because aluminum foil concentrates signals towards your phone, and conversely increases signal range and performance. In addition to signal amplification, this easy-to-manufacture signal amplifier also protects you from hackers, because foil concentrates signals in only one direction: your phone.

7. Home telephone antenna using a copper cable

For this project, you will need to peel off half a meter of copper cable to remove the insulation, and then use it to create the circuit, as shown in the video above. When finished, stick the circuit on a large enough piece of tape, make sure you cover the other end with tape, attach it to the back of the phone and voila!

Now you have a discreet cell phone signal amplifier that you can take with you anywhere, so you’ll never have to complain about a bad network and Wi-Fi signal again.

8. Mobile signal amplifier using a can

If you are still considering your options, this signal amplifier may tickle you. And it is also one of the easiest to produce. Simply remove the bottom of your last can of lemonade, cut out the body as shown in the video, insert a piece of aluminum foil and then place the phone to amplify the signal.

Again, this works because the foil pushes the signals towards your phone, which improves the strength of Wi-Fi and network signals.

Advantages of DIY-ing cell phone signal amplifier

In addition to zero dead zones, there are several other benefits to making a cell phone signal amplifier at home:

Reduces costs

Commercial signal amplifiers do an excellent job of removing dead zones, but they come at a relatively high cost. Most of them cost from $ 400 to $ 800, but in-house production significantly reduces costs. In some cases, such as the can technique and the above-mentioned variant with aluminum foil, you will not spend a dime, but you will still be able to enjoy better signals.

Longer battery life

Nothing absorbs your phone’s battery life faster than poor network reception. When the signal is weak, the phone tries to compensate by increasing the signal reception. This will only speed up the battery discharge and affect the phone’s ability to keep charging longer, as you will have to recharge it frequently. Creating one of the above simple DIY amplifiers for mobile phones will help you eliminate the problem.

Make a cell phone signal amplifier today

As shown in most of the projects above, the cell phone signal amplifier is one of the easiest DIY projects you will ever undertake. You can opt for a simple and portable antenna, such as the four-minute antenna for amplifying the telephone signal above, or if you like challenges, create it using a PCB. Whatever your ship is sailing, we hope you enjoy updating the above projects.

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