A county wants dedicated RF security coverage that keeps watching even if serving access points are busy or misconfigured. Which WIPS model fits?

A county that needs dedicated RF security coverage even when serving access points are busy or misconfigured should deploy overlay WIPS sensors that monitor the RF independently of the serving WLAN. Overlay sensors keep watching when APs are overloaded, offline, or wrongly configured, which is the independence the stem requires. Using only the guest captive-portal splash page as a security sensor provides no RF threat detection. Relying solely on SNMP polling of AP CPU without RF listening misses wireless attacks entirely. Turning off all RF monitoring and trusting client certificate pinning alone abandons air visibility that WIPS is meant to provide. Exam caveat: overlay versus integrated is a capacity and independence tradeoff—overlay costs more hardware but preserves dedicated listening; integrated uses serving APs as sensors and may share airtime with client service. Operational check: place overlay sensors for critical county sites, verify they report independently while a serving AP is rebooted or heavily loaded, and confirm rogue/SSID alerts still fire. Record sensor coverage maps in the municipal WIPS design package for audit and expansion planning. In municipal WLAN operations, record the rationale in the change ticket so future on-call staff know which control was chosen and which failure modes the rejected options would create for city services. Re-validate after the next maintenance window that the same control still holds under the infrastructure versions and client fleets used by the civic environment.