This message was posted on behalf of Intel Corporation
Welcome to our Support Community.
We understand that you have an Intel® Dual Band Wireless-N 7260 on Windows® 10, and you would like to understand the thresholds used to determine when your adapter will try and roam to a different access point.
Roaming aggressiveness settings are not based only on decibel-milliwatts (dBm), but rather on received signal quality (RSSI). This is measured through an algorithm which takes into account several factors such as receive and transmit rates, signal degradation, packet loss percentages, etc, to result in an indexed value. The higher the RSSI value is, the better the signal is.
"Received Signal Strength Indicator," or RSSI, is a measurement of how well your device can hear the signal from your router or access point. dBm and RSSI are different units of measurement that both represent the same thing: signal strength. The difference is that RSSI is a relative index, while dBm is an absolute number representing power levels in mW (milliwatts). RSSI is a term used to measure the relative quality of a received signal to a client device, but has no absolute value (it can be a 0 to 255 value, or vary depending on adapter implementation).
The roaming aggressiveness options for your Intel® Dual Band Wireless-N 7260 are described as follows:
1. Lowest: Wireless client will not roam. Only significant link quality degradation causes it to roam to another access point.
2. Medium-Low/4. Medium-High: Allow Roaming.
3. Medium: Balanced setting between not roaming and performance.
5. Highest: Wi-Fi client continuously tracks the link quality. If any degradation occurs, it tries to find and roam to a better access point.
For home users we generally recommend choosing the lowest setting, unless your home is set up with multiple access points.
We hope this information helps. Otherwise, please provide more information on the specific issue that you're encountering, as well as the working environment.