diff --git a/config/rae_dux.conf b/config/rae_dux.conf
new file mode 100644
index 0000000..f2f76b1
--- /dev/null
+++ b/config/rae_dux.conf
@@ -0,0 +1,8 @@
+# Use higher power BT for better connection
+CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
+
+# Enable deep sleep support (default n)
+CONFIG_ZMK_SLEEP=y
+
+# Milliseconds of inactivity before entering deep sleep (default 900000)
+CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=5400000