diff --git a/src/Terminal.ts b/src/Terminal.ts
index 3c589ffa..d19f34e3 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -169,6 +169,8 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
   public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }
   private _onData = new EventEmitter<string>();
   public get onData(): IEvent<string> { return this._onData.event; }
+  private _onBinary = new EventEmitter<string>();
+  public get onBinary(): IEvent<string> { return this._onBinary.event; }
   private _onKey = new EventEmitter<{ key: string, domEvent: KeyboardEvent }>();
   public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._onKey.event; }
   private _onLineFeed = new EventEmitter<void>();
diff --git a/src/TestUtils.test.ts b/src/TestUtils.test.ts
index e7c48381..84c0d0b7 100644
--- a/src/TestUtils.test.ts
+++ b/src/TestUtils.test.ts
@@ -32,6 +32,7 @@ export class MockTerminal implements ITerminal {
   onLineFeed: IEvent<void>;
   onSelectionChange: IEvent<void>;
   onData: IEvent<string>;
+  onBinary: IEvent<string>;
   onTitleChange: IEvent<string>;
   onScroll: IEvent<number>;
   onKey: IEvent<{ key: string; domEvent: KeyboardEvent; }>;
diff --git a/src/Types.d.ts b/src/Types.d.ts
index 2a922ae1..f4d3a556 100644
--- a/src/Types.d.ts
+++ b/src/Types.d.ts
@@ -180,6 +180,7 @@ export interface IPublicTerminal extends IDisposable {
   markers: IMarker[];
   onCursorMove: IEvent<void>;
   onData: IEvent<string>;
+  onBinary: IEvent<string>;
   onKey: IEvent<{ key: string, domEvent: KeyboardEvent }>;
   onLineFeed: IEvent<void>;
   onScroll: IEvent<number>;
diff --git a/src/common/services/CoreMouseService.test.ts b/src/common/services/CoreMouseService.test.ts
index d2a470e5..2bf011b0 100644
--- a/src/common/services/CoreMouseService.test.ts
+++ b/src/common/services/CoreMouseService.test.ts
@@ -6,7 +6,7 @@ import { CoreMouseService } from 'common/services/CoreMouseService';
 import { MockCoreService, MockBufferService } from 'common/TestUtils.test';
 import { assert } from 'chai';
 import { ICoreMouseEvent, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';
-declare const console: any;
+
 // needed mock services
 const bufferService = new MockBufferService(300, 100);
 const coreService = new MockCoreService();
diff --git a/src/public/Terminal.ts b/src/public/Terminal.ts
index c167bed8..397898c7 100644
--- a/src/public/Terminal.ts
+++ b/src/public/Terminal.ts
@@ -27,6 +27,7 @@ export class Terminal implements ITerminalApi {
   public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
   public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }
   public get onData(): IEvent<string> { return this._core.onData; }
+  public get onBinary(): IEvent<string> { return this._core.onBinary; }
   public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
   public get onScroll(): IEvent<number> { return this._core.onScroll; }
   public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }
diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts
index 9728a72c..a086d030 100644
--- a/typings/xterm.d.ts
+++ b/typings/xterm.d.ts
@@ -421,6 +421,17 @@ declare module 'xterm' {
      */
     constructor(options?: ITerminalOptions);
 
+    /**
+     * Adds an event listener for when a binary event fires. This is used to
+     * enable non UTF-8 conformant binary messages to be sent to the backend.
+     * Currently this is only used for a certain type of mouse reports that
+     * happen to be not UTF-8 compatible.
+     * The event value is a JS string, pass it to the underlying pty as
+     * binary data, e.g. `pty.write(Buffer.from(data, 'binary'))`. 
+     * @returns an `IDisposable` to stop listening.
+     */
+    onBinary: IEvent<string>;
+
     /**
      * Adds an event listener for the cursor moves.
      * @returns an `IDisposable` to stop listening.