diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index cb5ee3c..2a3ab52 100755
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -149,9 +149,15 @@
         <item>10</item>
     </integer-array>
 
+    <!-- The RadioAccessFamilies supported by the device.
+         Empty is viewed as "all".  Only used on devices which
+         don't support RIL_REQUEST_GET_RADIO_CAPABILITY
+         format is UMTS|LTE|...-->
+    <string translatable="false" name="config_radio_access_family">GPRS|EDGE|UMTS|HSDPA|HSUPA|HSPAP|GSM|WCDMA</string>
+
     <!-- The default iface on which to monitor data use -->
     <string name="config_datause_iface">pdp0</string>
-    
+
     <!-- Allow the menu hard key to be disabled in LockScreen on some devices -->
     <bool name="config_disableMenuKeyInLockScreen">true</bool>