diff --git a/tasmota/berry/lorawan/decoders/vendors/merryiot/DW10.be b/tasmota/berry/lorawan/decoders/vendors/merryiot/DW10.be
new file mode 100644
index 000000000..860e9d409
--- /dev/null
+++ b/tasmota/berry/lorawan/decoders/vendors/merryiot/DW10.be
@@ -0,0 +1,33 @@
+# LoRaWAN Decoder file for MerryIoT DW10 Open/Close
+#
+# References
+#  DW10 Product information: https://www.browan.com/products-detail/OpenClose-Sensor-EBL-LoRaWAN/
+#  Browan JS Decoder (TTN):  https://www.browan.com/member/login/?refererUrl=https%3A%2F%2Fwww.browan.com%2Fproducts-detail%2FOpenClose-Sensor-EBL-LoRaWAN%2F
+
+class LwDecoDW10
+
+ static def decodeUplink(FPort, Bytes)
+  var data = {"Device":"MerryIoT DW10"}
+    
+  ## SENSOR DATA ##
+  
+  if 120 == FPort && Bytes.size() == 9
+   data.insert("DoorOpen", ( Bytes[0] & 0x01 ) ? true : false )
+   data.insert("ButtonPress", ( Bytes[0] & 0x02 ) ? true : false )
+   data.insert("TamperDetect", ( Bytes[0] & 0x04 ) ? true : false )
+   data.insert("TiltDetect", ( Bytes[0] & 0x08 ) ? true : false )
+   data.insert("Battery_mV", ( 21 + Bytes[1] ) * 100 )
+   data.insert("Temperature_C", Bytes[2])
+   data.insert("Humidity", Bytes[3])
+   data.insert("DoorOpenLastDuration_mins", Bytes[4] | (Bytes[5] << 8))
+   data.insert("DoorOpenEvents", Bytes[6] | (Bytes[7] << 8) | (Bytes[8] << 16 ))
+   
+  else
+   # Ignore other Fports
+  end #Fport
+
+ return data
+ end #decodeUplink()
+end #class
+
+LwDeco = LwDecoDW10