diff --git a/docs/user/supported_devices.rst b/docs/user/supported_devices.rst
index d4727adaf19..9dd290e48d6 100644
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -198,6 +198,7 @@ ipq40xx-generic
 * Linksys
 
   - EA6350 (v3)
+  - MR8300
 
 * NETGEAR
 
diff --git a/package/gluon-core/luasrc/lib/gluon/upgrade/010-primary-mac b/package/gluon-core/luasrc/lib/gluon/upgrade/010-primary-mac
index 597201f3a7f..fea416fd435 100755
--- a/package/gluon-core/luasrc/lib/gluon/upgrade/010-primary-mac
+++ b/package/gluon-core/luasrc/lib/gluon/upgrade/010-primary-mac
@@ -81,6 +81,7 @@ local primary_addrs = {
 		{'brcm2708'},
 		{'ipq40xx', 'generic', {
 			'avm,fritzbox-4040',
+			'linksys,mr8300',
 			'plasmacloud,pa1200',
 			'plasmacloud,pa2200',
 		}},
diff --git a/targets/ipq40xx-generic b/targets/ipq40xx-generic
index a7c8f03aed0..a7c4395d895 100644
--- a/targets/ipq40xx-generic
+++ b/targets/ipq40xx-generic
@@ -1,5 +1,8 @@
 local ATH10K_PACKAGES_IPQ40XX = {}
-local ATH10K_PACKAGES_IPQ40XX_QCA9888 = {}
+local ATH10K_PACKAGES_IPQ40XX_QCA9888 = { -- exclude until Gluon supports third radio
+	'-ath10k-firmware-qca9888-ct',
+	'-ath10k-board-qca9888',
+}
 
 
 defaults {
@@ -73,6 +76,12 @@ device('gl.inet-gl-b1300', 'glinet_gl-b1300', {
 
 device('linksys-ea6350v3', 'linksys_ea6350v3')
 
+device('linksys-mr8300-dallas', 'linksys_mr8300', {
+	packages = ATH10K_PACKAGES_IPQ40XX_QCA9888,
+	factory = false,
+	broken = true, -- 3rd WiFi radio not supported (5GHz DFS channels 100+)
+})
+
 
 -- NETGEAR
 
@@ -91,6 +100,7 @@ device('openmesh-a42', 'openmesh_a42')
 
 device('openmesh-a62', 'openmesh_a62', {
 	packages = ATH10K_PACKAGES_IPQ40XX_QCA9888,
+	broken = true, -- 3rd WiFi radio not supported (5GHz DFS channels 100+)
 })
 
 
@@ -100,6 +110,7 @@ device('plasma-cloud-pa1200', 'plasmacloud_pa1200')
 
 device('plasma-cloud-pa2200', 'plasmacloud_pa2200', {
 	packages = ATH10K_PACKAGES_IPQ40XX_QCA9888,
+	broken = true, -- 3rd WiFi radio not supported (5GHz DFS channels 100+)
 })