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Set-up: iPad user connects to WiFi via Airport Express. A printer is attached to Airport Express for (Airprint) printing facility.

Problem: I am using the above set-up with the permission of IT (I am an external staff person who is not on their payroll, hence using my own equipment). Recently IT has reached out to me saying that I need to remove my Airport Express because it is causing interference to their devices and making them slow. Since Airport express broadcasts both on 2.4GHz and 5GHz, I was thinking as a possible solution I configure Airport Express to 5GHz only (less crowded spectrum). I think there is no possibility to restrict Airport Express to broadcast only 5GHz network (it will broadcast both 2.4GHz & 5GHz). As an alternate I thought to get a good value router/WiFi base station which has the capability to broadcast only 5Ghz WiFi. I have looked up on internet and couldn't find any good value router which could serve the above purpose. My questions are

1) Will the above proposed solution (5GHz network only) could resolve my interference woes?

2) Please suggest an alternative good value solution which can let iPad user connect to WiFi and have printing capability and doesn't cause interference (I am located in basement where cellular WiFi is absent/very unreliable).

Caveat: I have already scanned the WiFi Spectrum 2.4GHz is very crowded therefore changing the channel wouldn't resolve it plus frequencies are overlapping, 5GHz spectrum is less crowded (only 1 more SSID other than mine is residing there, hence I want to broadcast only 5GHz radio frequency so that IT doesn't blame me that my device is interfering/crowding their 2.4 GHz spectrum)

Thank you!

  • afaik, you can switch off the 2.4 from a Mac, but not from an iOS device. – Tetsujin Oct 5 '17 at 16:05
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    @Tetsujin An update to the macOS AirPort Utility in 2016 added the ability to switch off radios per-band, but I’m pretty sure it will only do that for the 2013 802.11ac AirPort Extremes and Time Capsules, not for the 2012 802.11n dual-band AirPort Express (or anything else). – Spiff Oct 5 '17 at 17:22
  • @Spiff - ah, OK, wasn't certain of the delineation, thanks. – Tetsujin Oct 5 '17 at 17:28
  • "I have already scanned the WiFi Spectrum 2.4GHz is very crowded..." And it's yours that's slowing it down and breaking the network right? What a joke. It's slow because they're using 2.4Ghz and it's a "crowded" band. Everybody knows that. Of course, if they are suggesting it's your fault I don't expect they know very much. I'm sure they performed a full spectrum and packet analysis to determine that. – Appleoddity Oct 6 '17 at 5:04

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