Placement: Position the modem in a central, elevated location away from thick walls and metal objects.Channel Selection: Use a Wi-Fi analyzer app to identify the least congested channels in your area and manually set them in the "WLAN" settings.Security: Always use WPA2-PSK (AES) or WPA3 encryption to protect your network from unauthorized access. Change the default SSID and password immediately upon setup. Conclusion

The new owner, a young man named Carlos, stands in the hallway. "Do I need to buy a new modem?" he asks.