This is a product of Reliance jio. This router is very useful for the people who do not have 4g service in their phone. We can use jio service of Call and 4g internal by this device and we can connect any wifi enable phone to this device and can use jio 4g internet services. This is a small in size product and can used easily. Internet connetivity in this network is very good and speed of internal is also high. We can continue use this product for long time. Its service is also good. Overall this is a nice product