diff --git a/docs/all_commands_ever_seen.txt b/docs/all_commands_ever_seen.txt
index 401953f..ae080a7 100644
--- a/docs/all_commands_ever_seen.txt
+++ b/docs/all_commands_ever_seen.txt
@@ -763,6 +763,7 @@
 @PC:METAINFO=?
 @PC:PLAYBACK=?
 @PC:PLAYBACKINFO=?
+@PC:PRESET=?
 @PC:REPEAT=?
 @PC:SHUFFLE=?
 @PC:STATION=?
diff --git a/tests/test_tun.py b/tests/test_tun.py
index 0197f57..553d36b 100644
--- a/tests/test_tun.py
+++ b/tests/test_tun.py
@@ -31,6 +31,12 @@
             (SUBUNIT, "FMFREQ", "101.60"),
         ],
     ),
+    (
+        (SUBUNIT, "PRESET"),
+        [
+            (SUBUNIT, "PRESET", "12"),
+        ],
+    ),
     (
         (SUBUNIT, "RDSINFO"),
         [
@@ -70,6 +76,7 @@ def test_initialize(connection, update_callback):
     assert tun.band is BandTun.FM
     assert tun.amfreq == 1080
     assert tun.fmfreq == 101.60
+    assert tun.preset == 12
 
 
 def test_am(connection, initialized_tun: Tun):
@@ -106,3 +113,32 @@ def test_rds(connection, initialized_tun: Tun):
 
     connection.send_protocol_message(SUBUNIT, "RDSTXTB", "radiotext b")
     assert initialized_tun.rdstxtb == "radiotext b"
+
+def test_preset(connection, initialized_tun: Tun):
+
+    # Updates from device
+    connection.send_protocol_message(SUBUNIT, "PRESET", "11")
+    assert initialized_tun.preset == 11
+
+    connection.send_protocol_message(SUBUNIT, "PRESET", "No Preset")
+    assert initialized_tun.preset == None
+
+    # Set preset
+    initialized_tun.preset = 10
+    connection.put.assert_called_with(SUBUNIT, "PRESET", "10")
+
+    # Preset Up Down
+    initialized_tun.preset_up()
+    connection.put.assert_called_with(SUBUNIT, "PRESET", "Up")
+
+    initialized_tun.preset_down()
+    connection.put.assert_called_with(SUBUNIT, "PRESET", "Down")
+
+def test_mem(connection, initialized_tun: Tun):
+
+    # Store
+    initialized_tun.mem(10)
+    connection.put.assert_called_with(SUBUNIT, "MEM", "10")
+
+    initialized_tun.mem()
+    connection.put.assert_called_with(SUBUNIT, "MEM", "Auto")
\ No newline at end of file
diff --git a/ynca/converters.py b/ynca/converters.py
index 4e96f37..61207c4 100644
--- a/ynca/converters.py
+++ b/ynca/converters.py
@@ -45,6 +45,23 @@ def to_str(self, value: int) -> str:
         return self._to_str(value)
 
 
+class IntOrNoneConverter(ConverterBase):
+
+    def __init__(self, to_str: Callable[[int], str] | None = None) -> None:
+        self._to_str = to_str or str
+
+    def to_value(self, value_string: str) -> int | None:
+        try:
+            return int(value_string)
+        except ValueError:
+            return None
+
+    def to_str(self, value: int) -> str:
+        # Make sure it is an int compatible types to be usable with MultiConverter
+        int(value)
+        return self._to_str(value)
+
+
 class FloatConverter(ConverterBase):
     def __init__(self, to_str: Callable[[float], str] | None = None) -> None:
         self._to_str = to_str or str
diff --git a/ynca/subunits/__init__.py b/ynca/subunits/__init__.py
index 892549a..051be96 100644
--- a/ynca/subunits/__init__.py
+++ b/ynca/subunits/__init__.py
@@ -1,7 +1,13 @@
 from __future__ import annotations
 
-from ..converters import FloatConverter
-from ..function import Cmd, EnumFunctionMixin, FloatFunctionMixin, StrFunctionMixin
+from ..converters import FloatConverter, IntOrNoneConverter
+from ..function import (
+    Cmd,
+    EnumFunctionMixin,
+    FloatFunctionMixin,
+    IntFunctionMixin,
+    StrFunctionMixin,
+)
 from ..enums import Playback, PlaybackInfo, Repeat, Shuffle
 from ..helpers import number_to_string_with_stepsize
 
@@ -27,6 +33,12 @@ class FmFreqFunctionMixin:
     """Read/write FM frequency. Values will be aligned to a valid stepsize."""
 
 
+class MemFunctionMixin:
+    def mem(self, parameter: int | None = None):
+        """Store preset in memory slot, parameter is a slot number 1-40 or None to select a slot automatically."""
+        self._put("MEM", "Auto" if parameter is None else str(parameter))  # type: ignore
+
+
 class PlaybackFunctionMixin:
     def playback(self, parameter: Playback):
         """Change playback state"""
@@ -37,6 +49,21 @@ class PlaybackInfoFunctionMixin:
     playbackinfo = EnumFunctionMixin[PlaybackInfo](PlaybackInfo, Cmd.GET)
 
 
+class PresetFunctionMixin:
+    preset = IntFunctionMixin(converter=IntOrNoneConverter())
+    """Activate or read preset. Note that only TUN and SIRIUS seem to support GET."""
+
+
+class PresetUpDownFunctionMixin:
+    def preset_up(self):
+        """Select next available preset"""
+        self._put("PRESET", "Up")  # type: ignore
+
+    def preset_down(self):
+        """Select previous available preset"""
+        self._put("PRESET", "Down")  # type: ignore
+
+
 class RepeatFunctionMixin:
     repeat = EnumFunctionMixin[Repeat](Repeat)
 
diff --git a/ynca/subunits/napster.py b/ynca/subunits/napster.py
index 67beec9..ff344bc 100644
--- a/ynca/subunits/napster.py
+++ b/ynca/subunits/napster.py
@@ -5,8 +5,10 @@
 from . import (
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
@@ -16,8 +18,10 @@
 class Napster(
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
diff --git a/ynca/subunits/netradio.py b/ynca/subunits/netradio.py
index 2eb9225..ee9fb85 100644
--- a/ynca/subunits/netradio.py
+++ b/ynca/subunits/netradio.py
@@ -2,13 +2,23 @@
 
 from ..constants import Subunit
 from ..subunit import SubunitBase
-from . import AlbumFunctionMixin, PlaybackFunctionMixin, PlaybackInfoFunctionMixin, SongFunctionMixin, StationFunctionMixin
+from . import (
+    AlbumFunctionMixin,
+    MemFunctionMixin,
+    PlaybackFunctionMixin,
+    PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
+    SongFunctionMixin,
+    StationFunctionMixin,
+)
 
 
 class NetRadio(
     AlbumFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     SongFunctionMixin,
     StationFunctionMixin,
     SubunitBase,
diff --git a/ynca/subunits/pandora.py b/ynca/subunits/pandora.py
index fa5adf7..3958c00 100644
--- a/ynca/subunits/pandora.py
+++ b/ynca/subunits/pandora.py
@@ -5,8 +5,10 @@
 from . import (
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     SongFunctionMixin,
     StationFunctionMixin,
     TrackFunctionMixin,
@@ -16,8 +18,10 @@
 class Pandora(
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     SongFunctionMixin,
     StationFunctionMixin,
     TrackFunctionMixin,  # Pandora seems to use TRACK or SONG for title based on logs. Maybe depends on firmware version?
diff --git a/ynca/subunits/pc.py b/ynca/subunits/pc.py
index 1cb6698..d760a41 100644
--- a/ynca/subunits/pc.py
+++ b/ynca/subunits/pc.py
@@ -5,8 +5,10 @@
 from . import (
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
@@ -16,8 +18,10 @@
 class Pc(
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
diff --git a/ynca/subunits/rhap.py b/ynca/subunits/rhap.py
index fdc93f4..5f7f24c 100644
--- a/ynca/subunits/rhap.py
+++ b/ynca/subunits/rhap.py
@@ -5,8 +5,10 @@
 from . import (
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
@@ -16,8 +18,10 @@
 class Rhap(
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
diff --git a/ynca/subunits/sirius.py b/ynca/subunits/sirius.py
index 4dd8d03..c4ef37c 100644
--- a/ynca/subunits/sirius.py
+++ b/ynca/subunits/sirius.py
@@ -5,8 +5,11 @@
 from . import (
     ArtistFunctionMixin,
     ChNameFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
+    PresetUpDownFunctionMixin,
     SongFunctionMixin,
 )
 
@@ -14,6 +17,9 @@
 class Sirius(
     ArtistFunctionMixin,
     ChNameFunctionMixin,
+    MemFunctionMixin,
+    PresetFunctionMixin,
+    PresetUpDownFunctionMixin,
     SongFunctionMixin,
     SubunitBase,
 ):
@@ -23,8 +29,10 @@ class Sirius(
 class SiriusIr(
     ArtistFunctionMixin,
     ChNameFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     SongFunctionMixin,
     SubunitBase,
 ):
diff --git a/ynca/subunits/tun.py b/ynca/subunits/tun.py
index 4d53806..1a9d47a 100644
--- a/ynca/subunits/tun.py
+++ b/ynca/subunits/tun.py
@@ -6,14 +6,23 @@
 from ..enums import BandTun
 from ..helpers import number_to_string_with_stepsize
 from ..subunit import SubunitBase
-from . import FmFreqFunctionMixin
+from . import (
+    FmFreqFunctionMixin,
+    MemFunctionMixin,
+    PresetFunctionMixin,
+    PresetUpDownFunctionMixin,
+)
 
 
-class Tun(FmFreqFunctionMixin, SubunitBase):
+class Tun(
+    FmFreqFunctionMixin,
+    MemFunctionMixin,
+    PresetFunctionMixin,
+    PresetUpDownFunctionMixin,
+    SubunitBase,
+):
     id = Subunit.TUN
 
-    band = EnumFunctionMixin[BandTun](BandTun)
-
     amfreq = IntFunctionMixin(
         converter=IntConverter(
             to_str=lambda v: number_to_string_with_stepsize(v, 0, 10)
@@ -21,6 +30,8 @@ class Tun(FmFreqFunctionMixin, SubunitBase):
     )
     """Read/write AM frequency. Values will be aligned to a valid stepsize."""
 
+    band = EnumFunctionMixin[BandTun](BandTun)
+
     rdsprgservice = StrFunctionMixin(Cmd.GET, init="RDSINFO")
     rdsprgtype = StrFunctionMixin(Cmd.GET, init="RDSINFO")
     rdstxta = StrFunctionMixin(Cmd.GET, init="RDSINFO")
diff --git a/ynca/subunits/usb.py b/ynca/subunits/usb.py
index 606196c..233af06 100644
--- a/ynca/subunits/usb.py
+++ b/ynca/subunits/usb.py
@@ -5,8 +5,10 @@
 from . import (
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,
@@ -16,8 +18,10 @@
 class Usb(
     AlbumFunctionMixin,
     ArtistFunctionMixin,
+    MemFunctionMixin,
     PlaybackFunctionMixin,
     PlaybackInfoFunctionMixin,
+    PresetFunctionMixin,
     RepeatFunctionMixin,
     ShuffleFunctionMixin,
     SongFunctionMixin,