diff --git a/debian/eeepc-acpi-scripts.default b/debian/eeepc-acpi-scripts.default
index 8fe4a7c..55e7c79 100644
--- a/debian/eeepc-acpi-scripts.default
+++ b/debian/eeepc-acpi-scripts.default
@@ -1,5 +1,5 @@
 # by default OSD output of function keys is disabled because it's too slow
-# set to yes if you want fancy osd overlayS
+# set to yes if you want fancy osd overlays
 ENABLE_OSD='no'
 OSD_FONT='DejaVuSans 36'
 
@@ -87,6 +87,8 @@ BLUETOOTH_FALLBACK_TO_HCITOOL='yes'
 #      on/off any USB bluetooth adapter found
 #  - handle_camera_toggle
 #      Toggles internal camera on/off
+#  - handle_gsm_toggle
+#      Toggles internal GSM modem (HUAWEI) on/off
 #  - handle_mute_toggle
 #      Toggles audio on/off
 #  - handle_volume_up
diff --git a/etc/acpi/actions/gsm.sh b/etc/acpi/actions/gsm.sh
new file mode 100755
index 0000000..d4e1126
--- /dev/null
+++ b/etc/acpi/actions/gsm.sh
@@ -0,0 +1,56 @@
+#! /bin/sh
+
+# do nothing if package is removed
+PKG=eeepc-acpi-scripts
+FUNC_LIB=/usr/share/$PKG/functions.sh
+[ -e $FUNC_LIB ] || exit 0
+
+. $FUNC_LIB
+
+detect_rfkill eeepc-wwan3g
+gsm_control="$RFKILL"
+if [ -n "$gsm_control" ]; then
+    gsm_on=1
+    gsm_off=0
+else
+    for f in /sys/bus/usb/devices/*; do
+	if [ -f "$f/product" ] && grep -q '^HUAWEI Mobile' $f/product; then
+            gsm_control="$f/power/level"
+            gsm_on=auto
+            gsm_off=suspend
+            break
+	fi
+    done
+    if [ -z "$gsm_control" ]; then
+        echo "GSM control not found."
+        exit 1
+    fi
+fi
+
+case "$1" in
+    detect)
+        if [ `cat "$gsm_control"` != "$gsm_off" ]; then
+	    exit 1
+        else
+            exit 0
+        fi
+	;;
+    on|enable|1)
+        echo "$gsm_on" > "$gsm_control"
+	;;
+    off|disable|0)
+        echo "$gsm_off" > "$gsm_control"
+	;;
+    toggle)
+        if [ `cat "$gsm_control"` != "$gsm_off" ]; then
+            echo "$gsm_off" > "$gsm_control"
+        else
+            echo "$gsm_on" > "$gsm_control"
+        fi        
+        ;;
+    *)
+	echo "Usage: $0 [on|off|detect|toggle]"
+	exit 1
+	;;
+esac
+
diff --git a/etc/acpi/actions/hotkey.sh b/etc/acpi/actions/hotkey.sh
index 1de5077..8bd326d 100755
--- a/etc/acpi/actions/hotkey.sh
+++ b/etc/acpi/actions/hotkey.sh
@@ -98,6 +98,16 @@ handle_shengine() {
     handle_shengine "$@"
 }
 
+handle_gsm_toggle() {
+    /etc/acpi/actions/gsm.sh toggle
+    if /etc/acpi/actions/gsm.sh detect; then
+        notify gsm "GSM off"
+    else
+        notify gsm "GSM on"
+    fi
+}
+
+
 case $code in
     # Fn + key:
     # <700/900-series key>/<1000-series key> - function
diff --git a/etc/acpi/actions/wireless.sh b/etc/acpi/actions/wireless.sh
index 617826a..02e8d09 100755
--- a/etc/acpi/actions/wireless.sh
+++ b/etc/acpi/actions/wireless.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
 
-. /usr/share/eeepc-acpi-scripts/functions.sh
+# do nothing if package is removed
+PKG=eeepc-acpi-scripts
+FUNC_LIB=/usr/share/$PKG/functions.sh
+[ -e $FUNC_LIB ] || exit 0
+
+. $FUNC_LIB
 
 detect_rfkill eeepc-wlan
 wlan_control="$RFKILL"
@@ -45,7 +50,7 @@ case "$cmd" in
 	fi
 	;;
     *)
-	echo "Usage: $0 [on|off]"
+	echo "Usage: $0 [on|off|detect]"
 	exit 1
 	;;
 esac