diff --git a/classes/transports/transport_base.py b/classes/transports/transport_base.py
index dc45fa1..d639708 100644
--- a/classes/transports/transport_base.py
+++ b/classes/transports/transport_base.py
@@ -95,6 +95,7 @@ def __init__(self, settings : "SectionProxy") -> None:
         if settings:
             self.device_serial_number = settings.get(["device_serial_number", "serial_number"], self.device_serial_number)
             self.device_manufacturer = settings.get(["device_manufacturer", "manufacturer"], self.device_manufacturer)
+            self.device_model = settings.get(["device_model", "model"], self.device_model)
             self.device_name = settings.get(["device_name", "name"], fallback=self.device_manufacturer+"_"+self.device_serial_number)
             self.bridge = settings.get("bridge", self.bridge)
             self.read_interval = settings.getfloat("read_interval", self.read_interval)
diff --git a/config.cfg.example b/config.cfg.example
index d498bdf..e82d948 100644
--- a/config.cfg.example
+++ b/config.cfg.example
@@ -27,6 +27,7 @@ bridge = transport.1
 # Device identity (for MQTT topic structure or HA discovery)
 manufacturer = HDHK
 model = HDHK 16CH AC
+name = HDHK 1
 # Optional; auto-detect if omitted
 serial_number = HDHK777
 
diff --git a/protocol_gateway.py b/protocol_gateway.py
index 0e1220d..54c63e8 100644
--- a/protocol_gateway.py
+++ b/protocol_gateway.py
@@ -126,7 +126,12 @@ def __init__(self, config_file : str):
         self.__log.addHandler(handler)
 
         self.config_file = os.path.dirname(os.path.realpath(__file__)) + "/growatt2mqtt.cfg"
-        newcfg = os.path.dirname(os.path.realpath(__file__)) + "/"+ config_file
+        if config_file:
+            if os.path.isabs(config_file):
+                newcfg = config_file
+            else:
+                newcfg = os.path.dirname(os.path.realpath(__file__)) + "/" + config_file
+
         if os.path.isfile(newcfg):
             self.config_file = newcfg