diff --git a/_codeql_detected_source_root b/_codeql_detected_source_root
new file mode 120000
index 0000000..945c9b4
--- /dev/null
+++ b/_codeql_detected_source_root
@@ -0,0 +1 @@
+.
\ No newline at end of file
diff --git a/mt76x2/pci_phy.c b/mt76x2/pci_phy.c
index 8831337..ed98b1e 100644
--- a/mt76x2/pci_phy.c
+++ b/mt76x2/pci_phy.c
@@ -227,7 +227,11 @@ int mt76x2_phy_set_channel(struct mt76x02_dev *dev,
 	mt76_wr(dev, MT_BBP(AGC, 61), 0xFF64A4E2);
 	mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010);
 	mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404);
-	mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
+	/* Adjust AGC 2 for high-band 5GHz channels (157-165) to improve stability */
+	if (band == NL80211_BAND_5GHZ && chan->hw_value >= 157)
+		mt76_wr(dev, MT_BBP(AGC, 2), 0x00006868);
+	else
+		mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
 	mt76_wr(dev, MT_TXOP_CTRL_CFG, 0x04101B3F);
 
 	if (scan)
diff --git a/mt76x2/phy.c b/mt76x2/phy.c
index 8faffc8..b797c5b 100644
--- a/mt76x2/phy.c
+++ b/mt76x2/phy.c
@@ -321,6 +321,9 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev)
 		agc_35 = agc_37 = 0x08080808;
 	else if (dev->mphy.chandef.width == NL80211_CHAN_WIDTH_80)
 		agc_35 = 0x10101014;
+	else if (dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ &&
+		 dev->mphy.chandef.chan->hw_value >= 157)
+		agc_35 = 0x0f0f0f14;
 	else
 		agc_35 = 0x11111116;
 
diff --git a/mt76x2/usb_phy.c b/mt76x2/usb_phy.c
index a04a98f..55042ba 100644
--- a/mt76x2/usb_phy.c
+++ b/mt76x2/usb_phy.c
@@ -161,7 +161,11 @@ int mt76x2u_phy_set_channel(struct mt76x02_dev *dev,
 	mt76_wr(dev, MT_BBP(AGC, 61), 0xff64a4e2);
 	mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010);
 	mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404);
-	mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
+	/* Adjust AGC 2 for high-band 5GHz channels (157-165) to improve stability */
+	if (chan->band == NL80211_BAND_5GHZ && chan->hw_value >= 157)
+		mt76_wr(dev, MT_BBP(AGC, 2), 0x00006868);
+	else
+		mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
 	mt76_wr(dev, MT_TXOP_CTRL_CFG, 0X04101b3f);
 
 	mt76_set(dev, MT_BBP(TXO, 4), BIT(25));