How to identify the frequency of the access point (AP) when wifi scanning?

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GFeonix
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Joined: Mon Sep 18, 2023 1:45 am

How to identify the frequency of the access point (AP) when wifi scanning?

Postby GFeonix » Wed Mar 26, 2025 3:20 pm

I am using esp32-c3, and my idf version is 5.4. I want to find all the ap with 5Ghz when scanning.
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Sprite
Espressif staff
Espressif staff
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Joined: Thu Nov 26, 2015 4:08 am

Re: How to identify the frequency of the access point (AP) when wifi scanning?

Postby Sprite » Thu Mar 27, 2025 12:05 am

The ESP32-C3 is 2.4GHz only; afaik there is no way for it to receive 5GHz access point beacons.
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GFeonix
Posts: 23
Joined: Mon Sep 18, 2023 1:45 am

Re: How to identify the frequency of the access point (AP) when wifi scanning?

Postby GFeonix » Thu Mar 27, 2025 2:16 am

Could you teach me how to check the beacons's info? There are some aps with ssid which contains "5G" in my scan result. I want to know if it is a fake 5Ghz ap.
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