diff --git a/.coveragerc b/.coveragerc
index 4e88d171d5755c110357b19a92ef605bab94a123..e326f5f44c876d116849810a72871823eaffe53a 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1487,6 +1487,7 @@ omit =
     homeassistant/components/yalexs_ble/binary_sensor.py
     homeassistant/components/yalexs_ble/entity.py
     homeassistant/components/yalexs_ble/lock.py
+    homeassistant/components/yalexs_ble/sensor.py
     homeassistant/components/yalexs_ble/util.py
     homeassistant/components/yale_smart_alarm/__init__.py
     homeassistant/components/yale_smart_alarm/alarm_control_panel.py
diff --git a/homeassistant/components/yalexs_ble/__init__.py b/homeassistant/components/yalexs_ble/__init__.py
index 265b10a502bc3e4bc831a90d00ca9745d2f6b5b4..3b9481b69824247a0e938b330b647acb07092fd5 100644
--- a/homeassistant/components/yalexs_ble/__init__.py
+++ b/homeassistant/components/yalexs_ble/__init__.py
@@ -17,7 +17,7 @@ from .const import CONF_KEY, CONF_LOCAL_NAME, CONF_SLOT, DEVICE_TIMEOUT, DOMAIN
 from .models import YaleXSBLEData
 from .util import async_find_existing_service_info, bluetooth_callback_matcher
 
-PLATFORMS: list[Platform] = [Platform.BINARY_SENSOR, Platform.LOCK]
+PLATFORMS: list[Platform] = [Platform.BINARY_SENSOR, Platform.LOCK, Platform.SENSOR]
 
 
 class YaleXSBLEDiscovery(TypedDict):
diff --git a/homeassistant/components/yalexs_ble/sensor.py b/homeassistant/components/yalexs_ble/sensor.py
new file mode 100644
index 0000000000000000000000000000000000000000..19fee1924e641ca2419105a515496856ce36d0db
--- /dev/null
+++ b/homeassistant/components/yalexs_ble/sensor.py
@@ -0,0 +1,44 @@
+"""Support for yalexs ble sensors."""
+from __future__ import annotations
+
+from yalexs_ble import ConnectionInfo, LockInfo, LockState
+
+from homeassistant import config_entries
+from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
+from homeassistant.const import SIGNAL_STRENGTH_DECIBELS_MILLIWATT
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.entity import EntityCategory
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .entity import YALEXSBLEEntity
+from .models import YaleXSBLEData
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: config_entries.ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up YALE XS Bluetooth sensors."""
+    data: YaleXSBLEData = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities([YaleXSBLERSSISensor(data)])
+
+
+class YaleXSBLERSSISensor(YALEXSBLEEntity, SensorEntity):
+    """Yale XS Bluetooth RSSI sensor."""
+
+    _attr_device_class = SensorDeviceClass.SIGNAL_STRENGTH
+    _attr_entity_category = EntityCategory.DIAGNOSTIC
+    _attr_entity_registry_enabled_default = False
+    _attr_has_entity_name = True
+    _attr_name = "Signal strength"
+    _attr_native_unit_of_measurement = SIGNAL_STRENGTH_DECIBELS_MILLIWATT
+
+    @callback
+    def _async_update_state(
+        self, new_state: LockState, lock_info: LockInfo, connection_info: ConnectionInfo
+    ) -> None:
+        """Update the state."""
+        self._attr_native_value = connection_info.rssi
+        super()._async_update_state(new_state, lock_info, connection_info)