So, if you think without a router, how do you share the internet from laptop or PC then here is the answer…

Since there are certain devices in home and offices those still not offers the WiFi connectivity option like smart TVs (old), media players, NAS devices and more… Such kind of devices needs a wired Ethernet connection to connect to the Internet. You might be thinking, why would we do this? Just imagine you don’t have a router with LAN ethernet port to connect some old devices. So, in such circumstances, if someone wants to share a computer’s WiFi Internet connection with other Ethernet devices, how will he do that? That’s why Wifi adapters and WiFi hotspots are more popular nowadays. Another reason why the users started using Wifi over the ethernet connection because nobody wants to run long ethernet cables in their homes. Nowadays, when the Wifi adapter is almost in every laptop and PC (via Wireless adapter card) the users mostly ad hoc smartphone’s hotspot to share and use the internet. Everybody is not using a router in their home to connect internet.

Rj45 ethernet to wifi adapter