diff --git a/templates/grafana/dashboards/dashboard_overview_community_accomodations.json b/templates/grafana/dashboards/dashboard_overview_community_accomodations.json
index 3a88706..0b8f9e6 100644
--- a/templates/grafana/dashboards/dashboard_overview_community_accomodations.json
+++ b/templates/grafana/dashboards/dashboard_overview_community_accomodations.json
@@ -354,6 +354,101 @@
         "align": false
       }
     },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "aUZtGMdVk"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "area"
+            }
+          },
+          "mappings": [],
+          "max": 1,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "#EAB839",
+                "value": 0.5
+              },
+              {
+                "color": "red",
+                "value": 0.7
+              }
+            ]
+          },
+          "unit": "percentunit"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 24,
+        "x": 0,
+        "y": 13
+      },
+      "id": 21,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "table",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "aUZtGMdVk"
+          },
+          "editorMode": "code",
+          "expr": "sum(increase(wifi_network_airtime_busy{site=\"$site\"}[$__rate_interval])) by (instance,device) / sum(increase(wifi_network_airtime_total{site=\"$site\"}[$__rate_interval])) by (instance,device)",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "wifi airtime utilization",
+      "type": "timeseries"
+    },
     {
       "datasource": {
         "type": "prometheus",
@@ -384,7 +479,7 @@
         "h": 8,
         "w": 12,
         "x": 0,
-        "y": 13
+        "y": 21
       },
       "id": 3,
       "options": {
@@ -466,7 +561,7 @@
         "h": 8,
         "w": 12,
         "x": 12,
-        "y": 13
+        "y": 21
       },
       "id": 13,
       "options": {
@@ -527,7 +622,8 @@
             "mode": "absolute",
             "steps": [
               {
-                "color": "green"
+                "color": "green",
+                "value": null
               }
             ]
           },
@@ -539,10 +635,11 @@
         "h": 7,
         "w": 18,
         "x": 0,
-        "y": 21
+        "y": 29
       },
       "id": 17,
       "options": {
+        "orientation": "auto",
         "reduceOptions": {
           "calcs": [
             "lastNotNull"
@@ -554,7 +651,7 @@
         "showThresholdMarkers": true,
         "text": {}
       },
-      "pluginVersion": "7.5.11",
+      "pluginVersion": "9.0.6",
       "targets": [
         {
           "datasource": {
@@ -611,7 +708,8 @@
             "mode": "absolute",
             "steps": [
               {
-                "color": "green"
+                "color": "green",
+                "value": null
               },
               {
                 "color": "red",
@@ -626,11 +724,13 @@
         "h": 7,
         "w": 6,
         "x": 18,
-        "y": 21
+        "y": 29
       },
       "id": 15,
       "options": {
         "displayMode": "gradient",
+        "minVizHeight": 10,
+        "minVizWidth": 0,
         "orientation": "auto",
         "reduceOptions": {
           "calcs": [
@@ -642,7 +742,7 @@
         "showUnfilled": true,
         "text": {}
       },
-      "pluginVersion": "7.5.11",
+      "pluginVersion": "9.0.6",
       "targets": [
         {
           "datasource": {
@@ -680,10 +780,14 @@
     "list": [
       {
         "current": {
-          "selected": false,
+          "selected": true,
           "text": "adp",
           "value": "adp"
         },
+        "datasource": {
+          "type": "prometheus",
+          "uid": "aUZtGMdVk"
+        },
         "definition": "label_values(wifi_network_clients, site)",
         "description": "which site ?",
         "hide": 0,
@@ -705,13 +809,13 @@
     ]
   },
   "time": {
-    "from": "now-24h",
+    "from": "now-3h",
     "to": "now"
   },
   "timepicker": {},
   "timezone": "",
   "title": "Übersicht Gemeinschaftsunterkünfte",
   "uid": "1O2tNMOVk",
-  "version": 3,
+  "version": 4,
   "weekStart": ""
 }
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