diff --git a/target/linux/ramips/base-files/etc/diag.sh b/target/linux/ramips/base-files/etc/diag.sh
index 710f229541d..1988e14d619 100755
--- a/target/linux/ramips/base-files/etc/diag.sh
+++ b/target/linux/ramips/base-files/etc/diag.sh
@@ -88,6 +88,7 @@ get_status_led() {
 	sl-r7205)
 		status_led="sl-r7205:green:status"
 		;;
+	tew-691gr|\
 	tew-692gr)
 		status_led="trendnet:green:wps"
 		;;
diff --git a/target/linux/ramips/base-files/etc/uci-defaults/network b/target/linux/ramips/base-files/etc/uci-defaults/network
index 3497e153dc7..1f3fd632c8b 100755
--- a/target/linux/ramips/base-files/etc/uci-defaults/network
+++ b/target/linux/ramips/base-files/etc/uci-defaults/network
@@ -98,6 +98,7 @@ ramips_setup_interfaces()
 		ucidef_add_switch_vlan "switch0" "2" "4 8t"
 		;;
 
+	tew-691gr|\
 	tew-692gr)
 		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" "1" "1"
@@ -200,6 +201,11 @@ ramips_setup_macs()
 		wan_mac=$(ramips_get_mac_binary factory 32772)
 		;;
 
+	tew-691gr)
+		lan_mac=$(ramips_get_mac_binary factory 40)
+		wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 3)
+		;;
+
 	tew-692gr)
 		lan_mac=$(ramips_get_mac_binary factory 40)
 		wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 4)
diff --git a/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac b/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
index eea0e5943c5..f1fcd96e21f 100644
--- a/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
+++ b/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
@@ -48,6 +48,7 @@ preinit_set_mac_address() {
 	hw550-3g |\
 	nbg-419n |\
 	omni-emb |\
+	tew-691gr |\
 	tew-692gr |\
 	w306r-v20 |\
 	w502u    |\
diff --git a/target/linux/ramips/base-files/lib/ramips.sh b/target/linux/ramips/base-files/lib/ramips.sh
index ce31b46b851..3fbba15f6b5 100755
--- a/target/linux/ramips/base-files/lib/ramips.sh
+++ b/target/linux/ramips/base-files/lib/ramips.sh
@@ -167,6 +167,9 @@ ramips_board_name() {
 	*"Tenda W306R V2.0")
 		name="w306r-v20"
 		;;
+	*"TEW-691GR")
+		name="tew-691gr"
+		;;
 	*"TEW-692GR")
 		name="tew-692gr"
 		;;
diff --git a/target/linux/ramips/base-files/lib/upgrade/platform.sh b/target/linux/ramips/base-files/lib/upgrade/platform.sh
index 6431a0ae75e..94db99b7000 100755
--- a/target/linux/ramips/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/base-files/lib/upgrade/platform.sh
@@ -40,6 +40,7 @@ platform_check_image() {
 	rt-n15 | \
 	rt-n56u | \
 	sl-r7205 | \
+	tew-691gr | \
 	tew-692gr | \
 	w306r-v20 |\
 	w502u |\