diff --git a/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager/78-mm-digi-xbee-cellular.rules b/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager/78-mm-digi-xbee-cellular.rules
new file mode 100644
index 000000000..9fc89ca41
--- /dev/null
+++ b/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager/78-mm-digi-xbee-cellular.rules
@@ -0,0 +1,12 @@
+ACTION!="add|change|move", GOTO="mm_digi_xbee_cellular_modem_end"
+
+# By default, ModemManager expects a default baudrate of 57600bps. Different
+# baudrates may be used by setting the ID_MM_TTY_BAUDRATE udev tag.
+
+# ConnectCore 6 SBC
+DEVPATH=="/devices/soc0/soc.0/2100000.aips-bus/21f4000.serial/tty/ttymxc4", ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1"
+
+# ConnectCore 6UL SBC Pro
+DEVPATH=="/devices/platform/soc/2100000.aips-bus/21e8000.serial/tty/ttymxc1", ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1"
+
+LABEL="mm_digi_xbee_cellular_modem_end"
diff --git a/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager_%.bbappend b/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager_%.bbappend
index c8019ea83..1a67116d7 100644
--- a/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager_%.bbappend
+++ b/meta-digi-dey/recipes-connectivity/modemmanager/modemmanager_%.bbappend
@@ -4,6 +4,7 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}:"
 
 SRC_URI += " \
     file://cellularifupdown \
+    file://78-mm-digi-xbee-cellular.rules \
 "
 
 # 'polkit' depends on 'consolekit', and this requires 'x11' distro feature. So
@@ -16,4 +17,8 @@ do_install_append() {
 	install -d ${D}${sysconfdir}/network/if-pre-up.d/ ${D}${sysconfdir}/network/if-post-down.d/
 	install -m 0755 ${WORKDIR}/cellularifupdown ${D}${sysconfdir}/network/if-pre-up.d/
 	ln -sf ../if-pre-up.d/cellularifupdown ${D}${sysconfdir}/network/if-post-down.d/cellularifupdown
+
+	# Install udev rules for XBee cellular
+	install -d ${D}${nonarch_base_libdir}/udev/rules.d
+	install -m 0644 ${WORKDIR}/78-mm-digi-xbee-cellular.rules ${D}${nonarch_base_libdir}/udev/rules.d/
 }