diff --git a/mbus/mbus-protocol.c b/mbus/mbus-protocol.c
index e47f8d2..e627091 100755
--- a/mbus/mbus-protocol.c
+++ b/mbus/mbus-protocol.c
@@ -856,6 +856,15 @@ mbus_data_product_name(mbus_data_variable_header *header)
                     break;
             }
         }
+        else if (manufacturer == MBUS_VARIABLE_DATA_MAN_RKE)
+        {
+            switch (header->version)
+            {
+                case 0x69:
+                    strcpy(buff,"Ista sensonic II mbus");
+                    break;
+            }
+        }
         else if (manufacturer == MBUS_VARIABLE_DATA_MAN_SVM) 
         {
             switch (header->version)
diff --git a/mbus/mbus-protocol.h b/mbus/mbus-protocol.h
index f1e9d06..c1473a3 100755
--- a/mbus/mbus-protocol.h
+++ b/mbus/mbus-protocol.h
@@ -484,6 +484,7 @@ typedef struct _mbus_data_secondary_address {
 #define MBUS_VARIABLE_DATA_MAN_NZR              0x3B52
 #define MBUS_VARIABLE_DATA_MAN_PAD              0x4024
 #define MBUS_VARIABLE_DATA_MAN_QDS              0x4493
+#define MBUS_VARIABLE_DATA_MAN_RKE              0x4965
 #define MBUS_VARIABLE_DATA_MAN_SEN              0x4CAE
 #define MBUS_VARIABLE_DATA_MAN_SLB              0x4D82
 #define MBUS_VARIABLE_DATA_MAN_SON              0x4DEE