https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78103#M7203 Tuan, none of the Extreme APs are designed to be user-serviceable.<BR /> <BR /> If the AP is out of warranty and you do not have support on it and don't plan on it in the future, then you can attempt something like this at your own risk.<BR /> <BR /> As far as the radio cards, they are both dual-band cards. This is why they both have the same part number. They are interchangeable. If you can locate a replacement card somewhere, it should work. Tue, 25 Jun 2019 19:06:24 GMT ckelly 2019-06-25T19:06:24Z https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78102#M7202 Hi you<BR /> <BR /> My AP 7161 have problem with wifi card. I remove it to replace but i see 2 card wifi (band 2.4 and band 5ghz) same P/N 142571810000A.<BR /> <BR /> What should i do? Tue, 25 Jun 2019 15:45:28 GMT https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78102#M7202 Tuan_Nguyen1 2019-06-25T15:45:28Z https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78103#M7203 Tuan, none of the Extreme APs are designed to be user-serviceable.<BR /> <BR /> If the AP is out of warranty and you do not have support on it and don't plan on it in the future, then you can attempt something like this at your own risk.<BR /> <BR /> As far as the radio cards, they are both dual-band cards. This is why they both have the same part number. They are interchangeable. If you can locate a replacement card somewhere, it should work. Tue, 25 Jun 2019 19:06:24 GMT https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78103#M7203 ckelly 2019-06-25T19:06:24Z https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78104#M7204 <BR /> <BR /> Thank you for very useful information. I want to repair AP7161 and AP7562 who to contact? Tue, 25 Jun 2019 20:11:52 GMT https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78104#M7204 Tuan_Nguyen1 2019-06-25T20:11:52Z https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78105#M7205 Here's a <A href="https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-contact-Extreme-Networks-Global-Technical-Assistance-Center-GTAC" target="_blank" rel="nofollow noreferrer noopener">GTAC</A> contact page. Tue, 25 Jun 2019 20:14:17 GMT https://community.extremenetworks.com/t5/extremewireless-wing/how-to-replace-radio-wifi-card-p-n-142571810000a/m-p/78105#M7205 ckelly 2019-06-25T20:14:17Z