# \[RTL8720DF-A00-F10\] 为何我的板子中，默认的wifi\_channel 为 0xff

**URL:** <https://forum.amebaiot.com/t/rtl8720df-a00-f10-wifi-channel-0xff/2780>\
**Category:** WiFi\
**Tags:** rtl872xd, 中文\
**Created:** [March 15, 2024, 3:41am UTC](https://forum.amebaiot.com/t/rtl8720df-a00-f10-wifi-channel-0xff/2780 "2024-03-15T03:41:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Alan](https://avatars.discourse-cdn.com/v4/letter/a/a87d85/32.png) [@Alan](https://forum.amebaiot.com/u/Alan)\
**Post date:** [March 15, 2024, 3:41am UTC](https://forum.amebaiot.com/t/rtl8720df-a00-f10-wifi-channel-0xff/2780/1 "2024-03-15T03:41:05Z")

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刷入我自己的固件后发现连不上5Gwifi，然后查询wifi\_get\_channel\_plan是0xff,之后我通过wifi\_set\_channel\_plan将plan设置为0x7f再重启之后就能连上5Gwifi了，默认wifi channel 不是应该是0x7f 吗，请问这可能是什么原因导致的呢

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**Author:** ![M-ichae-l](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/m-ichae-l/32/33_2.png) [@M-ichae-l](https://forum.amebaiot.com/u/M-ichae-l)\
**Post date:** [March 18, 2024, 3:27am UTC](https://forum.amebaiot.com/t/rtl8720df-a00-f10-wifi-channel-0xff/2780/2 "2024-03-18T03:27:35Z")

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I believed that the max is FF, 255 as default. So, if you can customize it, we can ignore the default value.