diff --git a/fdi/information/10freedesktop/10-modem.fdi b/fdi/information/10freedesktop/10-modem.fdi
index 0caa8c1..70d0c83 100644
--- a/fdi/information/10freedesktop/10-modem.fdi
+++ b/fdi/information/10freedesktop/10-modem.fdi
@@ -43,6 +43,17 @@
         </match>
       </match>
 
+      <!-- Samsung SGH-A707 (AT&T Sync) -->
+      <match key="@info.parent:usb.vendor_id" int="0x04e8">
+        <match key="@info.parent:usb.product_id" int="0x6601">
+          <match key="@info.parent:usb.interface.number" int="0">
+            <append key="info.capabilities" type="strlist">modem</append>
+              <append key="modem.command_sets" type="strlist">GSM-07.07</append>
+              <append key="modem.command_sets" type="strlist">GSM-07.05</append>
+          </match>
+        </match>
+      </match>
+
       <!-- Kyocera -->
       <match key="@info.parent:usb.vendor_id" int="0x0c88">
         <!-- KPC680,KPC650/Passport, -->