diff --git a/Makefile b/Makefile
index 96da814e..e84ff0db 100755
--- a/Makefile
+++ b/Makefile
@@ -60,6 +60,11 @@ hyperv: .dapper
 	APPEND_SYSTEM_IMAGES="rancher/os-hypervvmtools:v4.14.85-rancher-1" \
 	./.dapper hyperv-release 2>&1 | tee dist/release.log
 
+4glte: .dapper
+	mkdir -p dist
+	APPEND_SYSTEM_IMAGES="rancher/os-modemmanager:v1.6.4-1" \
+	./.dapper release-4glte 2>&1 | tee dist/release.log
+
 help:
 	@./scripts/help
 
diff --git a/config/schema.go b/config/schema.go
index 3a610855..03b47d2b 100644
--- a/config/schema.go
+++ b/config/schema.go
@@ -89,7 +89,7 @@ var schema = `{
 				"https_proxy": {"type": "string"},
 				"no_proxy": {"type": "string"},
 				"wifi_networks": {"type": "object"},
-				"modem_networks": {"type": "array"}
+				"modem_networks": {"type": "object"}
 			}
 		},
 
diff --git a/pkg/netconf/types.go b/pkg/netconf/types.go
index 65b5b991..950b6704 100644
--- a/pkg/netconf/types.go
+++ b/pkg/netconf/types.go
@@ -1,16 +1,16 @@
 package netconf
 
 type NetworkConfig struct {
-	PreCmds       []string                     `yaml:"pre_cmds,omitempty"`
-	DHCPTimeout   int                          `yaml:"dhcp_timeout,omitempty"`
-	DNS           DNSConfig                    `yaml:"dns,omitempty"`
-	Interfaces    map[string]InterfaceConfig   `yaml:"interfaces,omitempty"`
-	PostCmds      []string                     `yaml:"post_cmds,omitempty"`
-	HTTPProxy     string                       `yaml:"http_proxy,omitempty"`
-	HTTPSProxy    string                       `yaml:"https_proxy,omitempty"`
-	NoProxy       string                       `yaml:"no_proxy,omitempty"`
-	WifiNetworks  map[string]WifiNetworkConfig `yaml:"wifi_networks,omitempty"`
-	ModemNetworks []ModemNetworkConfig         `yaml:"modem_networks,omitempty"`
+	PreCmds       []string                      `yaml:"pre_cmds,omitempty"`
+	DHCPTimeout   int                           `yaml:"dhcp_timeout,omitempty"`
+	DNS           DNSConfig                     `yaml:"dns,omitempty"`
+	Interfaces    map[string]InterfaceConfig    `yaml:"interfaces,omitempty"`
+	PostCmds      []string                      `yaml:"post_cmds,omitempty"`
+	HTTPProxy     string                        `yaml:"http_proxy,omitempty"`
+	HTTPSProxy    string                        `yaml:"https_proxy,omitempty"`
+	NoProxy       string                        `yaml:"no_proxy,omitempty"`
+	WifiNetworks  map[string]WifiNetworkConfig  `yaml:"wifi_networks,omitempty"`
+	ModemNetworks map[string]ModemNetworkConfig `yaml:"modem_networks,omitempty"`
 }
 
 type InterfaceConfig struct {
@@ -61,6 +61,5 @@ type WifiNetworkConfig struct {
 
 type ModemNetworkConfig struct {
 	Apn       string `yaml:"apn"`
-	Interface string `yaml:"interface"`
 	ExtraArgs string `yaml:"extra_args,omitempty"`
 }
diff --git a/scripts/layout-initrd b/scripts/layout-initrd
index b15aa69f..976ecbf1 100755
--- a/scripts/layout-initrd
+++ b/scripts/layout-initrd
@@ -43,6 +43,18 @@ if [ -e ".make-vmware" ]; then
     wget -O ${INITRD_DIR}/usr/share/ros/services-cache/${SERVICE_OPEN_VMTOOLS_URL_MD5} ${SERVICE_OPEN_VMTOOLS_URL}
 fi
 
+if [ -e ".make-4glte" ]; then
+    SERVICE_URL=${OS_SERVICES_REPO}/${REPO_VERSION}
+    SERVICE_INDEX_URL="${SERVICE_URL}/index.yml"
+    SERVICE_MODEM_MANAGER_URL="${SERVICE_URL}/m/modem-manager.yml"
+    SERVICE_INDEX_URL_MD5=$(echo -n ${SERVICE_INDEX_URL}|md5sum|cut -d ' ' -f1)
+    SERVICE_MODEM_MANAGER_URL_MD5=$(echo -n ${SERVICE_MODEM_MANAGER_URL}|md5sum|cut -d ' ' -f1)
+
+    mkdir -p ${INITRD_DIR}/usr/share/ros/services-cache/
+    wget -O ${INITRD_DIR}/usr/share/ros/services-cache/${SERVICE_INDEX_URL_MD5} ${SERVICE_INDEX_URL}
+    wget -O ${INITRD_DIR}/usr/share/ros/services-cache/${SERVICE_MODEM_MANAGER_URL_MD5} ${SERVICE_MODEM_MANAGER_URL}
+fi
+
 # TODO: usr/lib dir is overwritten by the kernel modules and firmware
 ln -s ${INITRD_DIR}/usr/share/ros/os-release ${INITRD_DIR}/usr/lib/
 ln -s ${INITRD_DIR}/usr/share/ros/os-release ${INITRD_DIR}/usr/etc/
diff --git a/scripts/release-4glte b/scripts/release-4glte
new file mode 100755
index 00000000..a88bd0f1
--- /dev/null
+++ b/scripts/release-4glte
@@ -0,0 +1,25 @@
+#!/bin/bash
+set -ex
+
+cd $(dirname $0)/..
+
+touch .make-4glte
+
+source ./scripts/version
+./scripts/release-build
+
+touch dist/publish_gss_${VERSION}.sh dist/publish_gss_latest.sh
+chmod 755 dist/publish_gss_${VERSION}.sh dist/publish_gss_latest.sh
+
+for file in $(ls dist/artifacts/); do
+    case $file in
+        "initrd-"*)
+            echo "gsutil cp dist/artifacts/${file} gs://releases.rancher.com/os/latest/4glte/initrd" >> ./dist/publish_gss_latest.sh
+            echo "gsutil cp dist/artifacts/${file} gs://releases.rancher.com/os/${VERSION}/4glte/initrd" >> ./dist/publish_gss_${VERSION}.sh
+            ;;
+        "rancheros.iso" | "rootfs.tar.gz")
+            echo "gsutil cp dist/artifacts/${file} gs://releases.rancher.com/os/latest/4glte/${file}" >> ./dist/publish_gss_latest.sh
+            echo "gsutil cp dist/artifacts/${file} gs://releases.rancher.com/os/${VERSION}/4glte/${file}" >> ./dist/publish_gss_${VERSION}.sh
+            ;;
+    esac
+done
\ No newline at end of file