diff --git a/readers.json b/readers.json
index 1e9a1a8..7b4f5c1 100644
--- a/readers.json
+++ b/readers.json
@@ -555,9 +555,9 @@
         "TransmitFrequencyMHz": 865.7,
         "MinimalRssi": -80,
         "ConnectedAntennaPowers": {
-          "1": 27.5,
-          "2": 27.5,
-          "3": 27.5
+          "1": 28,
+          "2": 28,
+          "3": 28
         }
       },
       {
@@ -568,9 +568,9 @@
         "TransmitFrequencyMHz": 867.5,
         "MinimalRssi": -80,
         "ConnectedAntennaPowers": {
-          "1": 27.5,
-          "2": 27.5,
-          "3": 27.5
+          "1": 28,
+          "2": 28,
+          "3": 28
         }
       },
       {