Wi-Fi is generally included as the primary method of wireless communication in all recently released smartphones, tablets and laptops. Wi-Fi or wireless LAN technology allows data communication at the same speed and quality as wired LAN even in wireless environments.
The Bluetooth is an industry standard for short-range wireless communication for personal use. Using the Bluetooth connection to a variety of devices based on the communication range is classified into three kinds of class.
Class 1 supports communication distance of up to 100m (or longer with antennas) Class 2 supports communication distance of up to 30m Class 3 supports communication distance up to 10m
Bluetooth v4.0 + EDR‘EDR’ stands for ‘Enhanced Data Rate’. THE EDR allows fast data transfer technology in Bluetooth communication. Bluetooth was initially developed to support communication speed up to 1Mbps, but when EDR function is used, the maximum communication speed is increased up to 3Mbps.