diff --git a/frequencies.c b/frequencies.c
index 56855cb..4019df3 100644
--- a/frequencies.c
+++ b/frequencies.c
@@ -18,9 +18,9 @@
 #include "misc.h"
 #include "settings.h"
 #include <assert.h>
-// the BK4819 has 2 bands it covers, 18MHz ~ 630MHz and 760MHz ~ 1300MHz
+// the BK4819 has 2 bands it covers, 18MHz(Some BK4819 chips can go down to 15MHz. It's mostly up to binning) ~ 630MHz and 760MHz ~ 1300MHz
 
-#define BX4819_band1_lower 1800000
+#define BX4819_band1_lower 1500000
 #define BX4819_band2_upper 130000000
 
 const freq_band_table_t BX4819_band1 = {BX4819_band1_lower,  63000000};