diff --git a/README.md b/README.md
index 81c6de5b..b598fd0a 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A Python module and CLI for controlling Broadlink devices locally. The following devices are supported:
 
-- **Universal remotes**: RM home, RM mini 3, RM plus, RM pro, RM pro+, RM4 mini, RM4 pro, RM4C mini, RM4S, RM4 TV mate
+- **Universal remotes**: RM home, RM mini 3, RM plus, RM pro, RM pro+, RM4 mini, RM4 pro, RM4C mini, RM4S, RM4 TV mate, RM Max
 - **Smart plugs**: SP mini, SP mini 3, SP mini+, SP1, SP2, SP2-BR, SP2-CL, SP2-IN, SP2-UK, SP3, SP3-EU, SP3S-EU, SP3S-US, SP4L-AU, SP4L-EU, SP4L-UK, SP4M, SP4M-US, Ankuoo NEO, Ankuoo NEO PRO, Efergy Ego, BG AHC/U-01
 - **Switches**: MCB1, SC1, SCB1E, SCB2
 - **Outlets**: BG 800, BG 900
diff --git a/broadlink/__init__.py b/broadlink/__init__.py
index d3135501..79066169 100644
--- a/broadlink/__init__.py
+++ b/broadlink/__init__.py
@@ -112,6 +112,7 @@
         0x27A6: ("RM plus", "Broadlink"),
         0x27A9: ("RM pro+", "Broadlink"),
         0x27C3: ("RM pro+", "Broadlink"),
+        0xAF8B: ("RM Max", "Broadlink"),
     },
     rmminib: {
         0x5F36: ("RM mini 3", "Broadlink"),
diff --git a/test_rm_max.py b/test_rm_max.py
new file mode 100644
index 00000000..1df9f93a
--- /dev/null
+++ b/test_rm_max.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+"""Test if Broadlink RM Max can authenticate despite reporting as locked."""
+import sys
+sys.path.insert(0, "/Users/amasolov/projects/python-broadlink")
+import broadlink
+
+IP = "192.168.2.144"
+
+print(f"Attempting direct discovery of {IP}...")
+try:
+    device = broadlink.hello(IP)
+    print(f"  Found: {device.model} (devtype=0x{device.devtype:04x})")
+    print(f"  Locked: {device.is_locked}")
+    print(f"  Name: {device.name}")
+except Exception as e:
+    print(f"  Discovery failed: {e}")
+    sys.exit(1)
+
+print(f"\nAttempting auth (even though locked={device.is_locked})...")
+try:
+    device.auth()
+    print("  AUTH SUCCEEDED!")
+    print("\nAttempting to enter IR learning mode...")
+    device.enter_learning()
+    print("  Learning mode entered! Point a remote at the RM Max and press a button...")
+
+    import time
+    for i in range(10):
+        time.sleep(1)
+        try:
+            data = device.check_data()
+            print(f"  Got IR code! ({len(data)} bytes)")
+            print(f"  Hex: {data[:20].hex()}...")
+            break
+        except Exception:
+            print(f"  Waiting... ({i+1}/10)")
+    else:
+        print("  No IR data received (that's OK, just testing auth)")
+
+except Exception as e:
+    print(f"  Auth failed: {e}")
+    print("\n  The device truly requires unlocking.")
+    print("  Options:")
+    print("  1. Try the older 'BroadLink' app (not Magic Home)")
+    print("  2. Factory reset and set up fresh in the older app")
+    print("  3. We can patch HA to bypass the lock check")