static struct usb_device_id id_table_earthmate [] = {
        { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) },
+       { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
        { }                                             /* Terminating entry */
 };
 
 
 static struct usb_device_id id_table_combined [] = {
        { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) },
+       { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
        { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
        { }                                             /* Terminating entry */
 };
 
 /* DeLorme Earthmate USB - a GPS device */
 #define        VENDOR_ID_DELORME                0x1163
 #define PRODUCT_ID_EARTHMATEUSB                 0x0100
+#define PRODUCT_ID_EARTHMATEUSB_LT20    0x0200
 
 /* Cypress HID->COM RS232 Adapter */
 #define VENDOR_ID_CYPRESS               0x04b4