If the jammer contains 2400-2485MHZ, then the 2.4G wifi will be blocked. If the jammer contains the 5.8G shielded frequency band, the 5.8G wifi band will be blocked. In general, the jammer does not contain 5.8G. wifi frequency band. The 5.8G wifi band cannot be blocked.
https://www.dojammer.com/cell-phone-jammers.html

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