diff --git a/package/firmware/wireless-regdb/patches/600-custom-change-txpower-and-dfs.patch b/package/firmware/wireless-regdb/patches/600-custom-change-txpower-and-dfs.patch
index 23f231a9e4..5ca4e9929c 100644
--- a/package/firmware/wireless-regdb/patches/600-custom-change-txpower-and-dfs.patch
+++ b/package/firmware/wireless-regdb/patches/600-custom-change-txpower-and-dfs.patch
@@ -13,13 +13,11 @@
  	(5735 - 5835 @ 80), (30)
  	# 60 GHz band channels 1,4: 28dBm, channels 2,3: 44dBm
  	# ref: http://www.miit.gov.cn/n11293472/n11505629/n11506593/n11960250/n11960606/n11960700/n12330791.files/n12330790.pdf
-@@ -1580,13 +1580,13 @@ country UG: DFS-FCC
- country US: DFS-FCC
+@@ -1596,12 +1596,12 @@ country US: DFS-FCC
  	(2400 - 2472 @ 40), (30)
  	# 5.15 ~ 5.25 GHz: 30 dBm for master mode, 23 dBm for clients
--	(5150 - 5250 @ 80), (23), AUTO-BW
+ 	(5150 - 5250 @ 80), (23), AUTO-BW
 -	(5250 - 5350 @ 80), (23), DFS, AUTO-BW
-+	(5150 - 5250 @ 80), (30), AUTO-BW
 +	(5250 - 5350 @ 80), (30), AUTO-BW
  	# This range ends at 5725 MHz, but channel 144 extends to 5730 MHz.
  	# Since 5725 ~ 5730 MHz belongs to the next range which has looser
@@ -27,6 +25,6 @@
  	# happy and be able to use channel 144.
 -	(5470 - 5730 @ 160), (23), DFS
 +	(5470 - 5730 @ 160), (30)
- 	(5730 - 5850 @ 80), (30)
- 	# 60g band
- 	# reference: section IV-D https://docs.fcc.gov/public/attachments/FCC-16-89A1.pdf
+ 	(5730 - 5850 @ 80), (30), AUTO-BW
+ 	# https://www.federalregister.gov/documents/2021/05/03/2021-08802/use-of-the-5850-5925-ghz-band
+ 	# max. 33 dBm AP @ 20MHz, 36 dBm AP @ 40Mhz+, 6 dB less for clients