diff --git a/embedded-io-async/src/lib.rs b/embedded-io-async/src/lib.rs
index b90935f2..573c41e7 100644
--- a/embedded-io-async/src/lib.rs
+++ b/embedded-io-async/src/lib.rs
@@ -167,3 +167,20 @@ pub trait Seek: ErrorType {
         self.seek(SeekFrom::Current(0)).await
     }
 }
+
+/// Split a stream in a reader and writer, which are independent
+pub trait SplitRW: ErrorType {
+    /// Reader type of the split stream
+    type Reader<'a>: Read
+    where
+        Self: 'a;
+
+    /// Writer type of the split stream
+    type Writer<'a>: Write
+    where
+        Self: 'a;
+
+    /// Split a stream in a independent reader and writer
+    /// The stream is mutably borrowed, until the reader and writer are dropped.
+    fn split_rw<'s>(&'s mut self) -> Result<(Self::Reader<'s>, Self::Writer<'s>), Self::Error>;
+}
diff --git a/embedded-io/src/lib.rs b/embedded-io/src/lib.rs
index daca2441..af46323a 100644
--- a/embedded-io/src/lib.rs
+++ b/embedded-io/src/lib.rs
@@ -566,3 +566,20 @@ pub trait WriteReady: ErrorType {
     /// If this returns `true`, it's guaranteed that the next call to [`Write::write`] will not block.
     fn write_ready(&mut self) -> Result<bool, Self::Error>;
 }
+
+/// Split a stream in a reader and writer, which are independent
+pub trait SplitRW: ErrorType {
+    /// Reader type of the split stream
+    type Reader<'a>: Read
+    where
+        Self: 'a;
+
+    /// Writer type of the split stream
+    type Writer<'a>: Write
+    where
+        Self: 'a;
+
+    /// Split a stream in a independent reader and writer
+    /// The stream is mutably borrowed, until the reader and writer are dropped.
+    fn split_rw<'s>(&'s mut self) -> Result<(Self::Reader<'s>, Self::Writer<'s>), Self::Error>;
+}