Hey friends this is the wireless router from Reliance Jio in India. You can use it with your jio sim. You can connect multiple wifi device to its network and can access to the internet.It has agood batery backup and network which you can see in its display.It also has a password written inside it under the battery.You can also change its password in jio’s administration page.Only one thing you have to do that put a jio sim in it and switch on the device then you can connect any device to its jio 4g network. t is also available in india at affordable price everywhere.So friends if your mobile does not support 4g network then just buy it and access 4g network.