diff --git a/py_dormakaba_dkey/__init__.py b/py_dormakaba_dkey/__init__.py
index 75fb37d..f04404e 100644
--- a/py_dormakaba_dkey/__init__.py
+++ b/py_dormakaba_dkey/__init__.py
@@ -4,10 +4,11 @@
 
 from . import errors
 from .commands import Notifications
-from .dkey import DKEYLock
+from .dkey import DKEYLock, device_filter
 
 __all__ = [
     "DKEYLock",
     "Notifications",
+    "device_filter",
     "errors",
 ]
diff --git a/py_dormakaba_dkey/dkey.py b/py_dormakaba_dkey/dkey.py
index e11e878..b945b92 100644
--- a/py_dormakaba_dkey/dkey.py
+++ b/py_dormakaba_dkey/dkey.py
@@ -64,6 +64,15 @@
 ACTIVATION_CODE_ALLOWED = "BCDFGHJKLMNPQRSTVWXZ0123456789"
 
 
+def device_filter(advertisement_data: AdvertisementData) -> bool:
+    """Return True if the device is supported."""
+    uuids = advertisement_data.service_uuids
+    if SERVICE_UUID in uuids or CHARACTERISTIC_UUID_TO_SERVER in uuids:
+        return True
+
+    return False
+
+
 class BaseProcedure(ABC):
     """Base class for procedures."""