diff --git a/openwrt-add-lte.sh b/openwrt-add-lte.sh
new file mode 100644
index 0000000..5e3a2c7
--- /dev/null
+++ b/openwrt-add-lte.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+# Based on work of Samuel Hailu, 2020-09-10
+
+if [ $# -ne 2 ]; then
+    echo "$0 ip-address interface"
+    echo "    ip-address: where to find the OpenWRT device"
+    echo "    interface: which interface (eth3 for instance) is the LTE device"
+    exit 1
+fi
+
+my_ip=$1; shift
+interface=$1; shift
+
+cat <<EOF | ssh -t "root@${my_ip}"
+set -x
+
+# update the sources & allow https handling
+opkg update
+opkg install libustream-openssl ca-bundle ca-certificates
+
+# Install needed kernel module
+opkg install kmod-usb-net-cdc-ether usb-modeswitch
+
+# Create interface
+uci set network.LTE=interface
+uci set network.LTE.ifname='${interface}'
+uci set network.LTE.proto='dhcp'
+
+# add to correct firewall zone
+current_networks=\$(uci get firewall.@zone[1].network)
+
+if ! echo \$current_networks | grep -q LTE; then
+   uci set firewall.@zone[1].network='\${current_networks} LTE'
+fi
+
+# commit
+uci commit
+
+# reboot
+
+reboot
+
+EOF