After turning the gadgets to catch the wi-fi signals in public areas, not long before you even complain because the device that you use gives a sign that the battery in it is reduced in large numbers. Though your gadget is a device with the latest technology, also been reviewed with positive results by technology experts.
There is nothing wrong with the gadget you have, because in reality to catch the wi-fi signal does require a lot of energy for the captors, call it smart phones, laptops, and tablets. Channels Wireless / Networking explains why so powerful wi-fi device that draws energy you use. Wi-fi signal strength given millwatts units of decibels (dBm) when sending data to a device that functions as a receiver. Wi-fi network with a high dBm signal tends to have broad coverage. Consequently, this requires more energy than the wi-fi with a low dBm.