RELIENCE JIO SIM OR ROUTER BOTH ARE LEADING DIGITAL TECHNOLOGY .JIO SIM PROVIDING GOOOOD SERVICES AND BETTER DATA CONNECTIONS.UNLIMITED DATA PROVAIDING TO THE MARCH 31TH.ONCE YOU ARE USING JIO SIM ON YOUR 4G MOBILE THEN YOU CANT USE THE OTHER 4G MOBILE PHONE.VOICE CALLS IS ALSO UNLIMITED TO THE ANY OTHER NETWORKS .THIS OFFER ONLY USE ON MARCH 31.THIS SIM HAVING SOME USES AND