SterJo Wireless Network Scanner is a fast and lightweight tool that helps you scan your WiFi network and instantly detect all connected devices. Whether itβs a computer, smartphone, smart TV, tablet, or an unknown intruder, the tool lists every active device on your wireless network.

This WiFi scanning tool automatically analyzes your local network and displays:
If you suspect that someone may be using your WiFi without permission, SterJo Wireless Network Scanner helps you identify unauthorized devices in seconds.
It supports detection of mobile phones, tablets, portable devices, laptops, and IoT hardware already connected to your network.
For more useful tools, check out the full list of SterJo Software products or visit our FAQ section.
SterJo Wireless Network Scanner works on all Windows platform starting from Windows XP to the latest Windows 11.
Current Version: 1.2
Yes. The scanner lists all devices currently connected to your wireless network, making it easy to identify unknown or unauthorized devices.
If your network adapter supports both bands, the tool will detect devices connected to either frequency.
No. A portable version is available so you can scan networks without installation.
Absolutely. It only scans your local network and does not send any data outside your system.