There are lots of ways to build a diy cell phone signal booster, and we have the list for you with guides and tips. If for some reason (like you live in the mountains) and you need to mount the antenna booster outside to get a signal, it would be a simple matter to weather proof the cell phone with a plastic sandwich container. Make Your Own Cell Phone Signal Booster For 2g-3g-4g Network - Youtube Cell Phone Signal Booster Cell Phone Booster Cell Phone Antenna Best for medium to large homes. Homemade cell phone signal booster youtube . Making a cell phone signal booster is a great idea for anyone who lives in a rural area. Does this cell phone booster work with 3g phones? Wacbeli homemade signal booster 3g cell phone homemade cell phone booster | ehow.com. There can be various reasons for your mobile phone to miss out on good signal strength. Interestingly, this signal booster can be made using inexpensive items from a local hardware or electronics store. Mobile phone jamm...