Three items that come to mind... If they have external antennas remove them and replace them with 50 ohm terminators appropriate for the connectors.
Or, wrap in copper mesh, leaving no holes. Foil would also work but then you have heating issues. I'd ground it to the shield on the coax input. You may have leakage around the power ports and cat5. Adding ferrite beads may help. I also understand that Comcast also allows you to bring your own cable modem which might be more convenient for you. On Mon, Feb 27, 2023, 6:09 PM Nate Burke <n...@blastcomm.com> wrote: > I've got a Comcast residential Modem that I can't get the RF turned off > in. I haven't been able to find the right phrase at support to get them > to do it. So far All that's happened is they've removed the SSID's, but > the RF is still broadcasting. There are some 'RF cages' on Amazon to > 'limit your exposure to WIFI' But they're marketed as making your house > 'healthier' and reviews say they just slightly weaken the signal. > > Is there a way to properly ground out a cage around the modem to block > all the WIFI? Many moons ago, back in the days of 802.11b, I put an AP > into a lead lined pelican case, and was still able to connect to the > WIFI from outside of it. I'm guessing I didn't do something right back > then. > > FWIW though, I am getting 2.4gb/s x 230mb/s through the coax > connection. There's only a 2.5G interface on the modem. > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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