diff --git a/discord/abc.py b/discord/abc.py
index 34622c99e..387e79335 100644
--- a/discord/abc.py
+++ b/discord/abc.py
@@ -48,7 +48,7 @@ from typing import (
 
 from .object import OLDEST_OBJECT, Object
 from .context_managers import Typing
-from .enums import ApplicationCommandType, ChannelType, InviteTarget
+from .enums import ApplicationCommandType, ChannelType, InviteTarget, NetworkConnectionType
 from .errors import ClientException
 from .mentions import AllowedMentions
 from .permissions import PermissionOverwrite, Permissions
@@ -1869,6 +1869,7 @@ class Messageable:
             mention_author=mention_author,
             stickers=sticker_ids,
             flags=flags,
+            network_type=NetworkConnectionType.unknown,
         ) as params:
             data = await state.http.send_message(channel.id, params=params)
 
diff --git a/discord/enums.py b/discord/enums.py
index bc1e107f2..7e80e009d 100644
--- a/discord/enums.py
+++ b/discord/enums.py
@@ -122,6 +122,8 @@ __all__ = (
     'DirectoryEntryType',
     'DirectoryCategory',
     'HubType',
+    'NetworkConnectionType',
+    'NetworkConnectionSpeed',
 )
 
 if TYPE_CHECKING:
@@ -1599,6 +1601,32 @@ class HubType(Enum):
     university = 2
 
 
+class NetworkConnectionType(Enum):
+    bluetooth = 'bluetooth'
+    cellular = 'cellular'
+    ethernet = 'ethernet'
+    none = 'none'
+    other = 'other'
+    unknown = 'unknown'
+    wifi = 'wifi'
+    wimax = 'wimax'
+
+    def __str__(self) -> str:
+        return self.value
+
+
+class NetworkConnectionSpeed(Enum):
+    five_g = '5g'
+    four_g = '4g'
+    three_g = '3g'
+    two_g = '2g'
+    slow_two_g = 'slow-2g'
+    unknown = 'unknown'
+
+    def __str__(self) -> str:
+        return self.value
+
+
 def create_unknown_value(cls: Type[E], val: Any) -> E:
     value_cls = cls._enum_value_cls_  # type: ignore # This is narrowed below
     name = f'unknown_{val}'
diff --git a/discord/http.py b/discord/http.py
index 19adad036..a07b8bb7f 100644
--- a/discord/http.py
+++ b/discord/http.py
@@ -54,7 +54,7 @@ import datetime
 
 import aiohttp
 
-from .enums import RelationshipAction, InviteType
+from .enums import NetworkConnectionType, RelationshipAction, InviteType
 from .errors import (
     HTTPException,
     RateLimited,
@@ -239,6 +239,7 @@ def handle_message_parameters(
     previous_allowed_mentions: Optional[AllowedMentions] = None,
     mention_author: Optional[bool] = None,
     thread_name: str = MISSING,
+    network_type: NetworkConnectionType = MISSING,
     channel_payload: Dict[str, Any] = MISSING,
 ) -> MultipartParameters:
     if files is not MISSING and file is not MISSING:
@@ -295,6 +296,9 @@ def handle_message_parameters(
     if thread_name is not MISSING:
         payload['thread_name'] = thread_name
 
+    if network_type is not MISSING:
+        payload['mobile_network_type'] = str(network_type)
+
     if allowed_mentions:
         if previous_allowed_mentions is not None:
             payload['allowed_mentions'] = previous_allowed_mentions.merge(allowed_mentions).to_dict()