diff --git a/homeassistant/components/rfxtrx/__init__.py b/homeassistant/components/rfxtrx/__init__.py
index 66d4235ffdb..44e1d537408 100644
--- a/homeassistant/components/rfxtrx/__init__.py
+++ b/homeassistant/components/rfxtrx/__init__.py
@@ -44,6 +44,7 @@ from homeassistant.helpers.restore_state import RestoreEntity
 
 from .const import (
     ATTR_EVENT,
+    COMMAND_GROUP_LIST,
     CONF_AUTOMATIC_ADD,
     CONF_DATA_BITS,
     CONF_DEBUG,
@@ -465,6 +466,9 @@ class RfxtrxEntity(RestoreEntity):
         self._event = event
         self._device_id = device_id
         self._unique_id = "_".join(x for x in self._device_id)
+        # If id_string is 213c7f2:1, the group_id is 213c7f2, and the device will respond to
+        # group events regardless of their group indices.
+        (self._group_id, _, _) = device.id_string.partition(":")
 
     async def async_added_to_hass(self):
         """Restore RFXtrx device state (ON/OFF)."""
@@ -520,6 +524,15 @@ class RfxtrxEntity(RestoreEntity):
             "model": self._device.type_string,
         }
 
+    def _event_applies(self, event, device_id):
+        """Check if event applies to me."""
+        if "Command" in event.values and event.values["Command"] in COMMAND_GROUP_LIST:
+            (group_id, _, _) = event.device.id_string.partition(":")
+            return group_id == self._group_id
+
+        # Otherwise, the event only applies to the matching device.
+        return device_id == self._device_id
+
     def _apply_event(self, event):
         """Apply a received event."""
         self._event = event
diff --git a/homeassistant/components/rfxtrx/binary_sensor.py b/homeassistant/components/rfxtrx/binary_sensor.py
index 78eb49740d5..9e3d24cdb6a 100644
--- a/homeassistant/components/rfxtrx/binary_sensor.py
+++ b/homeassistant/components/rfxtrx/binary_sensor.py
@@ -233,7 +233,7 @@ class RfxtrxBinarySensor(RfxtrxEntity, BinarySensorEntity):
     @callback
     def _handle_event(self, event, device_id):
         """Check if event applies to me and update."""
-        if device_id != self._device_id:
+        if not self._event_applies(event, device_id):
             return
 
         _LOGGER.debug(
diff --git a/homeassistant/components/rfxtrx/const.py b/homeassistant/components/rfxtrx/const.py
index 1f36b00e184..d457435f85c 100644
--- a/homeassistant/components/rfxtrx/const.py
+++ b/homeassistant/components/rfxtrx/const.py
@@ -19,6 +19,7 @@ COMMAND_ON_LIST = [
     "On",
     "Up",
     "Stop",
+    "Group on",
     "Open (inline relay)",
     "Stop (inline relay)",
     "Enable sun automation",
@@ -26,11 +27,17 @@ COMMAND_ON_LIST = [
 
 COMMAND_OFF_LIST = [
     "Off",
+    "Group off",
     "Down",
     "Close (inline relay)",
     "Disable sun automation",
 ]
 
+COMMAND_GROUP_LIST = [
+    "Group on",
+    "Group off",
+]
+
 ATTR_EVENT = "event"
 
 SERVICE_SEND = "send"
diff --git a/homeassistant/components/rfxtrx/switch.py b/homeassistant/components/rfxtrx/switch.py
index 96c066d5f3e..60ddb9a4d16 100644
--- a/homeassistant/components/rfxtrx/switch.py
+++ b/homeassistant/components/rfxtrx/switch.py
@@ -117,12 +117,10 @@ class RfxtrxSwitch(RfxtrxCommandEntity, SwitchEntity):
     @callback
     def _handle_event(self, event, device_id):
         """Check if event applies to me and update."""
-        if device_id != self._device_id:
-            return
+        if self._event_applies(event, device_id):
+            self._apply_event(event)
 
-        self._apply_event(event)
-
-        self.async_write_ha_state()
+            self.async_write_ha_state()
 
     @property
     def is_on(self):
diff --git a/tests/components/rfxtrx/test_binary_sensor.py b/tests/components/rfxtrx/test_binary_sensor.py
index a52b390395a..5b76c6287a3 100644
--- a/tests/components/rfxtrx/test_binary_sensor.py
+++ b/tests/components/rfxtrx/test_binary_sensor.py
@@ -121,7 +121,7 @@ async def test_several(hass, rfxtrx):
         devices={
             "0b1100cd0213c7f230010f71": {},
             "0b1100100118cdea02010f70": {},
-            "0b1100101118cdea02010f70": {},
+            "0b1100100118cdea03010f70": {},
         }
     )
     mock_entry = MockConfigEntry(domain="rfxtrx", unique_id=DOMAIN, data=entry_data)
@@ -141,10 +141,20 @@ async def test_several(hass, rfxtrx):
     assert state.state == "off"
     assert state.attributes.get("friendly_name") == "AC 118cdea:2"
 
-    state = hass.states.get("binary_sensor.ac_1118cdea_2")
+    state = hass.states.get("binary_sensor.ac_118cdea_3")
     assert state
     assert state.state == "off"
-    assert state.attributes.get("friendly_name") == "AC 1118cdea:2"
+    assert state.attributes.get("friendly_name") == "AC 118cdea:3"
+
+    # "2: Group on"
+    await rfxtrx.signal("0b1100100118cdea03040f70")
+    assert hass.states.get("binary_sensor.ac_118cdea_2").state == "on"
+    assert hass.states.get("binary_sensor.ac_118cdea_3").state == "on"
+
+    # "2: Group off"
+    await rfxtrx.signal("0b1100100118cdea03030f70")
+    assert hass.states.get("binary_sensor.ac_118cdea_2").state == "off"
+    assert hass.states.get("binary_sensor.ac_118cdea_3").state == "off"
 
 
 async def test_discover(hass, rfxtrx_automatic):
diff --git a/tests/components/rfxtrx/test_switch.py b/tests/components/rfxtrx/test_switch.py
index 12064911bb6..94adf4a980e 100644
--- a/tests/components/rfxtrx/test_switch.py
+++ b/tests/components/rfxtrx/test_switch.py
@@ -125,6 +125,62 @@ async def test_repetitions(hass, rfxtrx, repetitions):
     assert rfxtrx.transport.send.call_count == repetitions
 
 
+async def test_switch_events(hass, rfxtrx):
+    """Event test with 2 switches."""
+    entry_data = create_rfx_test_cfg(
+        devices={
+            "0b1100cd0213c7f205010f51": {"signal_repetitions": 1},
+            "0b1100cd0213c7f210010f51": {"signal_repetitions": 1},
+        }
+    )
+    mock_entry = MockConfigEntry(domain="rfxtrx", unique_id=DOMAIN, data=entry_data)
+
+    mock_entry.add_to_hass(hass)
+
+    await hass.config_entries.async_setup(mock_entry.entry_id)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("switch.ac_213c7f2_16")
+    assert state
+    assert state.state == "off"
+    assert state.attributes.get("friendly_name") == "AC 213c7f2:16"
+
+    state = hass.states.get("switch.ac_213c7f2_5")
+    assert state
+    assert state.state == "off"
+    assert state.attributes.get("friendly_name") == "AC 213c7f2:5"
+
+    # "16: On"
+    await rfxtrx.signal("0b1100100213c7f210010f70")
+    assert hass.states.get("switch.ac_213c7f2_5").state == "off"
+    assert hass.states.get("switch.ac_213c7f2_16").state == "on"
+
+    # "16: Off"
+    await rfxtrx.signal("0b1100100213c7f210000f70")
+    assert hass.states.get("switch.ac_213c7f2_5").state == "off"
+    assert hass.states.get("switch.ac_213c7f2_16").state == "off"
+
+    # "5: On"
+    await rfxtrx.signal("0b1100100213c7f205010f70")
+    assert hass.states.get("switch.ac_213c7f2_5").state == "on"
+    assert hass.states.get("switch.ac_213c7f2_16").state == "off"
+
+    # "5: Off"
+    await rfxtrx.signal("0b1100100213c7f205000f70")
+    assert hass.states.get("switch.ac_213c7f2_5").state == "off"
+    assert hass.states.get("switch.ac_213c7f2_16").state == "off"
+
+    # "16: Group on"
+    await rfxtrx.signal("0b1100100213c7f210040f70")
+    assert hass.states.get("switch.ac_213c7f2_5").state == "on"
+    assert hass.states.get("switch.ac_213c7f2_16").state == "on"
+
+    # "16: Group off"
+    await rfxtrx.signal("0b1100100213c7f210030f70")
+    assert hass.states.get("switch.ac_213c7f2_5").state == "off"
+    assert hass.states.get("switch.ac_213c7f2_16").state == "off"
+
+
 async def test_discover_switch(hass, rfxtrx_automatic):
     """Test with discovery of switches."""
     rfxtrx = rfxtrx_automatic