diff --git a/protocols/luci-proto-modemmanager/Makefile b/protocols/luci-proto-modemmanager/Makefile
new file mode 100755
index 00000000..0a1799f4
--- /dev/null
+++ b/protocols/luci-proto-modemmanager/Makefile
@@ -0,0 +1,16 @@
+#
+# Copyright 2019 Telco Antennas Pty Ltd <nicholas.smith@telcoantennas.com.au>
+# SPDX-License-Identifier: Apache-2.0
+#
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=Support for ModemManager
+LUCI_DEPENDS:=+modemmanager
+LUCI_PKGARCH:=all
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature
+
+
diff --git a/protocols/luci-proto-modemmanager/luasrc/model/cbi/admin_network/proto_modemmanager.lua b/protocols/luci-proto-modemmanager/luasrc/model/cbi/admin_network/proto_modemmanager.lua
new file mode 100755
index 00000000..9fc5e52e
--- /dev/null
+++ b/protocols/luci-proto-modemmanager/luasrc/model/cbi/admin_network/proto_modemmanager.lua
@@ -0,0 +1,44 @@
+-- Copyright 2019 Telco Antennas Pty Ltd <nicholas.smith@telcoantennas.com.au>
+-- SPDX-License-Identifier: Apache-2.0
+
+local map, section, net = ...
+
+local device, apn, pincode, username, password, iptype
+local auth, ipv6
+
+device = section:taboption("general", Value, "device", translate("Modem device"))
+device.rmempty = false
+
+-- Supports only one modem that has already been registered by MM.  Ensures the modem is usable.
+-- Assumes modem is on index 0
+local handle = io.popen("mmcli -m 0 | grep 'device: ' | grep -Eo '/sys/devices/.*' | tr -d \"'\"", "r")
+local device_suggestions = handle:read("*l")
+handle:close()
+
+if handle then
+	device:value(device_suggestions)
+end
+
+apn = section:taboption("general", Value, "apn", translate("APN"))
+
+pincode = section:taboption("general", Value, "pincode", translate("PIN"))
+
+username = section:taboption("general", Value, "username", translate("PAP/CHAP username"))
+
+password = section:taboption("general", Value, "password", translate("PAP/CHAP password"))
+password.password = true
+
+auth = section:taboption("general", Value, "auth", translate("Authentication type"))
+auth:value("", translate("-- Please choose --"))
+auth:value("both", "PAP/CHAP (both)")
+auth:value("pap", "PAP")
+auth:value("chap", "CHAP")
+auth:value("none", "NONE")
+
+iptype = section:taboption("general", Value, "iptype", translate("IP connection type"))
+iptype:value("", translate("-- Please choose --"))
+iptype:value("ipv4", "IPv4 only")
+iptype:value("ipv6", "IPv6 only")
+iptype:value("ipv4v6", "IPv4/IPv6 (both - defaults to IPv4)")
+
+metric = section:taboption("general", Value, "metric", translate("Gateway metric"))
diff --git a/protocols/luci-proto-modemmanager/luasrc/model/network/proto_modemmanager.lua b/protocols/luci-proto-modemmanager/luasrc/model/network/proto_modemmanager.lua
new file mode 100755
index 00000000..b8663f6f
--- /dev/null
+++ b/protocols/luci-proto-modemmanager/luasrc/model/network/proto_modemmanager.lua
@@ -0,0 +1,55 @@
+-- Copyright 2019 Telco Antennas Pty Ltd <nicholas.smith@telcoantennas.com.au>
+-- SPDX-License-Identifier: Apache-2.0
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("modemmanager")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("Mobile Data")
+end
+
+function proto.ifname(self)
+	local base = netmod._M.protocol
+	local ifname = base.ifname(self) -- call base class "protocol.ifname(self)"
+
+	-- Note: ifname might be nil if the adapter could not be determined through ubus (default name to carrier-wan in this case)
+	if ifname == nil then
+		ifname = "carrier-" .. self.sid
+	end
+	return ifname
+end
+
+function proto.get_interface(self)
+	return interface(self:ifname(), self)
+end
+
+function proto.opkg_package(self)
+	return "modemmanager"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/modemmanager.sh")
+end
+
+function proto.is_floating(self)
+	return true
+end
+
+function proto.is_virtual(self)
+	return true
+end
+
+function proto.get_interfaces(self)
+	return nil
+end
+
+function proto.contains_interface(self, ifc)
+	 return (netmod:ifnameof(ifc) == self:ifname())
+end
+
+netmod:register_pattern_virtual("^mobiledata%-%w")
+
+netmod:register_error_code("CALL_FAILED",	luci.i18n.translate("Call failed.  Ensure that your SIM is active and has data."))
+netmod:register_error_code("NO_CID",		luci.i18n.translate("Unable to obtain client ID from the carrier.  Check your SIM or try again in a few minutes."))
+netmod:register_error_code("PLMN_FAILED",	luci.i18n.translate("Setting PLMN failed"))