diff --git a/config/charybdis.conf b/config/charybdis.conf
index 8b13789..0f71018 100644
--- a/config/charybdis.conf
+++ b/config/charybdis.conf
@@ -1 +1,9 @@
 
+CONFIG_BT_LL_SW_LLCP_LEGACY=y
+
+CONFIG_BT_PERIPHERAL_PREF_MAX_INT=9
+CONFIG_BT_PERIPHERAL_PREF_LATENCY=16
+CONFIG_BT_BUF_ACL_TX_COUNT=32
+CONFIG_BT_L2CAP_TX_BUF_COUNT=32
+
+CONFIG_BT_CTLR_TX_PWR_PLUS_8=y