diff --git a/data/airtime.go b/data/statistics_airtime.go
similarity index 98%
rename from data/airtime.go
rename to data/statistics_airtime.go
index 884e791..5bd4045 100644
--- a/data/airtime.go
+++ b/data/statistics_airtime.go
@@ -23,7 +23,7 @@ type WirelessAirtime struct {
 	BusyTime   uint64 `json:"busy"`
 	RxTime     uint64 `json:"rx"`
 	TxTime     uint64 `json:"tx"`
-	Noise      uint32 `json:"noise"`
+	Noise      int32  `json:"noise"`
 	Frequency  uint32 `json:"frequency"`
 }
 
diff --git a/data/airtime_test.go b/data/statistics_airtime_test.go
similarity index 100%
rename from data/airtime_test.go
rename to data/statistics_airtime_test.go