Hi All, its new lunched airtel device in the 2 years back. This is best device as compared to the other device .You can use in this device 2G 3G and also 4G network on this device . Network signal strength is very good and also 4G speed is very good .battery backup is also good .i am using this device from last 1 Year . I am getting better speed . This device you can connect to the PC Laptop and Mobile by using Y5 Connection.