On Mac, you don't need to download any program or app if you want to measure the connected network. Hold the Option key and click on the Wi-Fi symbol. You'll see dBm measurements in the RSSI entry.

On Mac, you don't need to download any program or app if you want to measure the connected network. Hold the Option key and click on the Wi-Fi symbol. You'll see dBm measurements in the RSSI entry.
