Wi-Fi is the radio signal sent from a wireless router to a nearby device, which translates the signal into data you can see and use. The device transmits a radio signal back to the router, which connects to the internet by wire or cable. What does Wi-Fi stand for? Ironically, it doesn’t stand for anything.
Bluetooth Protocol is a wireless technology standard for connecting fixed or mobile devices using short radio link. It aims at providing wireless communication along with small size, minimal power consumption and low price.
“Before building any embedded project based on GSM/GPRS technology first question that comes to our mind is which GSM and GPS module we should use among different vendors. Selection of GSM module depend on points given below.” If you are interested in implementing IoT projects below information may be quite useful for you. 1)Network selection: