RSSI "are not the droids you are looking for" RSSI is a unitless integer from 0-250 and it is range varies from vendor to vendor and is a relative measurement. You always want to use RSS which is an absolute value expressed in dBm. What is important here is that you set a standard for what you use as your "yardstick" for dBm measurement/collection of the APs cell edge values in dBm. As other have stated here, -65dBm is considered a good RSS target, beyond this metric real time voice and video will begin to erode after -67dBm. Iphones will start trying to roam at -70dBm. When you look at Apples doc you will note that they refer to RSSI in dBm...😐 Also, just because you place an AP in the class room doesn't mean that the clients are exclusive to that AP. Clients and clients alone choose to which AP they will join. https://www.metageek.com/training/resources/understanding-rssi/ https://support.apple.com/guide/deployment/wi-fi-roaming-support-dep98f116c0f/web https://documentation.meraki.com/Architectures_and_Best_Practices/Cisco_Meraki_Best_Practice_Design/Best_Practice_Design_-_MR_Wireless/Wireless_VoIP_QoS_Best_Practices
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