Wi-Fi aerial antenna (WLAN) – Antennas for wireless LAN / internet
External antennas for wireless network (Wi-Fi/WLan) for extra reach or faster speed.
You can frequently find yourself out of range, or with insufficient coverage on your WiFi network, and you may need an external antenna. Many network routers and modems allow switching the included antenna to an external one, thereby increasing signal strength, similarly to how you get better TV reception by using a larger or outdoor antenna.