diff --git a/library.json b/library.json
index a211813..4c0898e 100644
--- a/library.json
+++ b/library.json
@@ -14,7 +14,7 @@
     }
   ],
   "license": "LGPL-2.1-only",
-  "version": "0.27",
+  "version": "0.28",
   "frameworks": "*",
   "platforms": "*"
 }
diff --git a/library.properties b/library.properties
index bdeadfe..2842624 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=SML-Parser
-version=0.27
+version=0.28
 author=Olliiiver
 maintainer=Olliiiver
 sentence=C++ library to parse Smart Message Language (SML) data from smart meters.
diff --git a/src/sml.cpp b/src/sml.cpp
index 0edee97..17dbd63 100644
--- a/src/sml.cpp
+++ b/src/sml.cpp
@@ -403,3 +403,19 @@ void smlOBISAmpere(double &a)
   a = val;
   smlPow(a, sc);
 }
+
+void smlOBISHertz(double &h)
+{
+  long long int val;
+  smlOBISByUnit(val, sc, SML_HERTZ);
+  h = val;
+  smlPow(h, sc);
+}
+
+void smlOBISDegree(double &d)
+{
+  long long int val;
+  smlOBISByUnit(val, sc, SML_DEGREE);
+  d = val;
+  smlPow(d, sc);
+}
diff --git a/src/sml.h b/src/sml.h
index ac6405d..3f774dc 100644
--- a/src/sml.h
+++ b/src/sml.h
@@ -102,5 +102,8 @@ void smlOBISWh(double &wh);
 void smlOBISW(double &w);
 void smlOBISVolt(double &v);
 void smlOBISAmpere(double &a);
+void smlOBISHertz(double &h);
+void smlOBISDegree(double &d);
+
 
 #endif