diff --git a/ADF7021.h b/ADF7021.h
index 6880613..3806d7f 100644
--- a/ADF7021.h
+++ b/ADF7021.h
@@ -77,8 +77,8 @@ www.analog.com/media/en/technical-documentation/data-sheets/ADF7021.pdf
 // Deviation of modulator (REG 02)
 #define ADF7021_DEV_DSTAR        43U
 #define ADF7021_DEV_DMR          23U
-#define ADF7021_DEV_YSF_L        18U
-#define ADF7021_DEV_YSF_H        36U
+#define ADF7021_DEV_YSF_L        16U
+#define ADF7021_DEV_YSF_H        32U
 #if defined(ENABLE_P25_WIDE)
 #define ADF7021_DEV_P25          32U
 #else
@@ -161,12 +161,12 @@ www.analog.com/media/en/technical-documentation/data-sheets/ADF7021.pdf
 // Deviation of modulator (REG 02)
 #define ADF7021_DEV_DSTAR        26U
 #define ADF7021_DEV_DMR          14U
-#define ADF7021_DEV_YSF_L        11U
-#define ADF7021_DEV_YSF_H        21U
+#define ADF7021_DEV_YSF_L        10U
+#define ADF7021_DEV_YSF_H        19U
 #if defined(ENABLE_P25_WIDE)
-#define ADF7021_DEV_P25          21U
+#define ADF7021_DEV_P25          19U
 #else
-#define ADF7021_DEV_P25          14U
+#define ADF7021_DEV_P25          13U
 #endif
 
 // TX/RX CLOCK register (REG 03)