Its been nearly 20 years have passed from the day of discovery of cell phones but there is immense increase in cell phone users from day of its invention. Around 80% of total population in the world owns a cell phone.Signal strength of cell phones is reducing because of increasing number of cell phone users and lack of plantation of new cell phone towers by cell phone service providers for increasing cell phone users.With the passage of time for better signal strength many new devices have been discovered to make the cell phones better. To improve the signal reception of cell phones and overall working of cell phones, a device name called “Cell Phone Signal Booster” has been discovered. Device called “cell phone signal booster” are available to reduce the number of dropped calls and improving the voice clarity of calls.The battery life of cell phones get also improved by using of cell phone signal booster for home as they save the power for searching the signals.A new series of boosters called as Wi-Fi signal boosters has been launched in the market to help and improve the overall working of wi-fi enabled devices.