diff --git a/readers.json b/readers.json
index 3bda272..de34491 100644
--- a/readers.json
+++ b/readers.json
@@ -347,9 +347,9 @@
         "TransmitFrequencyMHz": 865.7,
         "MinimalRssi": -80,
         "ConnectedAntennaPowers": {
-          "1": 27.5,
-          "2": 27.5,
-          "3": 27.5
+          "1": 28,
+          "2": 28,
+          "3": 28
         }
       },
       {
@@ -360,9 +360,9 @@
         "TransmitFrequencyMHz": 867.5,
         "MinimalRssi": -80,
         "ConnectedAntennaPowers": {
-          "1": 27.5,
-          "2": 27.5,
-          "3": 27.5
+          "1": 28,
+          "2": 28,
+          "3": 28
         }
       },
       {