diff --git a/src/networking/phy_layer/phy_layer.c b/src/networking/phy_layer/phy_layer.c
index 77c4f4e..f347624 100644
--- a/src/networking/phy_layer/phy_layer.c
+++ b/src/networking/phy_layer/phy_layer.c
@@ -42,14 +42,15 @@
 #define L1_FRAME_512KBPS_4MS_LEN (2584 / 8)	// byte
 #define L1_FRAME_2MBPS_4MS_LEN (10224 / 8)	// byte
 
-#define L1_FRAME_ADV_24MS_COMP 1399800	// *10ns(Timer_L)
+//#define L1_FRAME_ADV_24MS_COMP 1399800	// *10ns(Timer_L)
+#define L1_FRAME_ADV_24MS_COMP 1463848	// *10ns(Timer_L)
 #define L1_FRAME_ACK_8MS_COMP 598408	// *10ns(Timer_L)
 #define L1_FRAME_128KBPS_4MS_COMP 9950	// *10ns(Timer_L)
 #define L1_FRAME_512KBPS_4MS_COMP 9950	// *10ns(Timer_L)
 #define L1_FRAME_2MBPS_4MS_COMP 9950	// *10ns(Timer_L)
 
-#define L1_ANTCONFIG_MAX_LEN 8192
-#define L1_TXRXDATA_MAX_LEN 16384
+#define L1_ANTCONFIG_MAX_LEN 8192 // byte
+#define L1_TXRXDATA_MAX_LEN 4096  // byte
 
 #define ANT_COINFO_LEN 32 // bytes, antenna configuration length of each hop