diff --git a/mt7603/debugfs.c b/mt7603/debugfs.c
index 87c74391..e32d5118 100644
--- a/mt7603/debugfs.c
+++ b/mt7603/debugfs.c
@@ -123,4 +123,6 @@ void mt7603_init_debugfs(struct mt7603_dev *dev)
 				    mt7603_radio_read);
 	debugfs_create_bool("dynamic_sensitivity", 0600, dir,
 			    &dev->dynamic_sensitivity);
+	debugfs_create_u8("sensitivity_limit", 0600, dir,
+			    &dev->sensitivity_limit);
 }
diff --git a/mt7603/init.c b/mt7603/init.c
index 0696dbf2..859c70eb 100644
--- a/mt7603/init.c
+++ b/mt7603/init.c
@@ -540,6 +540,7 @@ int mt7603_register_device(struct mt7603_dev *dev)
 		dev->mt76.antenna_mask = 1;
 
 	dev->slottime = 9;
+	dev->sensitivity_limit = 28;
 
 	ret = mt7603_init_hardware(dev);
 	if (ret)
diff --git a/mt7603/mac.c b/mt7603/mac.c
index 67ef7b66..3c22ae6a 100644
--- a/mt7603/mac.c
+++ b/mt7603/mac.c
@@ -1750,7 +1750,8 @@ mt7603_false_cca_check(struct mt7603_dev *dev)
 	min_signal -= 15;
 
 	false_cca = dev->false_cca_ofdm + dev->false_cca_cck;
-	if (false_cca > 600) {
+	if (false_cca > 600 &&
+	    dev->sensitivity < -100 + dev->sensitivity_limit) {
 		if (!dev->sensitivity)
 			dev->sensitivity = -92;
 		else
diff --git a/mt7603/mt7603.h b/mt7603/mt7603.h
index 79a8f4dc..52a77a1f 100644
--- a/mt7603/mt7603.h
+++ b/mt7603/mt7603.h
@@ -140,6 +140,7 @@ struct mt7603_dev {
 
 	bool dynamic_sensitivity;
 	s8 sensitivity;
+	u8 sensitivity_limit;
 
 	u8 beacon_check;
 	u8 tx_hang_check;