JioFi is a wifi hotspot launched by Reliance Jio in the Sept. 2016. I had purchased it couple of months ago. It is small and handy and a lite weight.
The internet speed of the JioFi is very good. As it is a 4G hotspot so you dont have to worry about the speed. The speed of the JioFi is also depends on the pack of data that you have choose.
The reliability of the connection is also good. The range of the wifi is preety good. The range is about 80 to 100 meter.
Now the service and support of the Reliance is preety good. If you have any issues regarding your device you can call to the customer support of the JIO.
So if you are looking for a portable wifi hotspot you can choose JioFi. It is available in the near JIO store of your location.