Jiofi Wireless Modem is jio sim based modem to access internet with the help of Jio ISP. THIS Jiofi Modem comes on many version like Jiofi -1 , Jiofi-2, Jiofi-3 and Jiofi 3 is best versions because battery backup is good comparison to other its have 2600Mhz battery.and good and heavey body.i will suggest you this Jiofi modem you want to buy and this modem provide high speed internet. Connection strength is good.