diff --git a/docs/user/supported_devices.rst b/docs/user/supported_devices.rst
index 9b072a6bd1e4cbe89ff435628458c56d1d6a1bad..09ae5cc88f60824e20053cf75ce9bb705a8625e7 100644
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -453,6 +453,10 @@ ramips-mt7621
   - DIR-878 (A1)
   - DIR-882 (A1)
 
+* Genexis
+
+  - Pulse EX400
+
 * GL.iNet
 
   - GL-MT1300
diff --git a/targets/ramips-mt7621 b/targets/ramips-mt7621
index bde04233e141cce560ce2c5dfb49db714e2448b4..391a09d2bd5fcd04dfb2d36ecce8ad91b7c2d14c 100644
--- a/targets/ramips-mt7621
+++ b/targets/ramips-mt7621
@@ -53,6 +53,14 @@ device('d-link-dir-878-a1', 'dlink_dir-878-a1')
 device('d-link-dir-882-a1', 'dlink_dir-882-a1')
 
 
+-- Genexis
+
+device('genexis-pulse-ex400', 'genexis_pulse-ex400', {
+	factory = false,
+	sysupgrade = '-sysupgrade',
+})
+
+
 -- GL.iNet
 
 device('gl.inet-gl-mt1300', 'glinet_gl-mt1300', {