A portable Wi-Fi router is just like your internet box at home, but instead of being attached to a phone cable, they have a SIM card inside instead. These portable Wi-Fi hotspot devices are pocket sized and work through inserting a sim card inside them. If you get an ‘unlocked’ portable Wi-Fi device, this means you can use any SIM card, from anywhere in the world, inside it.
It is a portable Wi-fi router, just instead of being connected to a phone cable, they will have Sim card inside. If you get an ‘unlocked’ portable Wi-Fi device, this means you can use any SIM card, from anywhere in the world, inside it.