diff --git a/enable_dwell_time.yml b/enable_dwell_time_400ms.yml
similarity index 71%
rename from enable_dwell_time.yml
rename to enable_dwell_time_400ms.yml
index 4513dc8..53301f2 100644
--- a/enable_dwell_time.yml
+++ b/enable_dwell_time_400ms.yml
@@ -1,3 +1,4 @@
 dwell-time:
   uplinks: true
   downlinks: true
+  duration: 400ms
diff --git a/frequency-plans.yml b/frequency-plans.yml
index 369e537..b7f7e7e 100644
--- a/frequency-plans.yml
+++ b/frequency-plans.yml
@@ -275,7 +275,7 @@
   description: Compatibility frequency plan for Asian countries with common channels in the 923.0-923.5 MHz sub-band and dwell time enabled
   base-frequency: 915
   base-id: AS_923
-  file: enable_dwell_time.yml
+  file: enable_dwell_time_400ms.yml
 
 - id: AS_923_2_NDT
   band-id: AS_923_2
@@ -291,7 +291,7 @@
   description: Compatibility frequency plan for Asian countries with common channels in the 921.4-922.0 MHz sub-band and dwell time enabled
   base-frequency: 915
   base-id: AS_923_2
-  file: enable_dwell_time.yml
+  file: enable_dwell_time_400ms.yml
 
 - id: AS_923_3_NDT
   band-id: AS_923_3
@@ -307,7 +307,7 @@
   description: Compatibility frequency plan for Asian countries with common channels in the 921.4-922.0 MHz sub-band and dwell time enabled
   base-frequency: 915
   base-id: AS_923_3
-  file: enable_dwell_time.yml
+  file: enable_dwell_time_400ms.yml
 
 - id: AS_923_4_NDT
   band-id: AS_923_4
@@ -323,7 +323,7 @@
   description: Compatibility frequency plan for Asian countries with common channels in the 921.4-922.0 MHz sub-band and dwell time enabled
   base-frequency: 915
   base-id: AS_923_4
-  file: enable_dwell_time.yml
+  file: enable_dwell_time_400ms.yml
 
 - id: AS_923_925
   band-id: AS_923_925