diff --git a/sys/dev/usb/uplcom.c b/sys/dev/usb/uplcom.c
index 11a4483acb2..715fa72295b 100644
--- a/sys/dev/usb/uplcom.c
+++ b/sys/dev/usb/uplcom.c
@@ -256,6 +256,8 @@ static const struct uplcom_product {
 	  -1, TYPE_PL2303 },
 	/* HAL Corporation Crossam2+USB */
 	{ USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001, -1, TYPE_PL2303 },
+	/* Sitecom USB to Serial */
+	{ USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_SERIAL, -1, TYPE_PL2303 },
 	{ 0, 0 }
 };
 
diff --git a/sys/dev/usb/usbdevs b/sys/dev/usb/usbdevs
index bd9661ba57b..30f0bdaf85c 100644
--- a/sys/dev/usb/usbdevs
+++ b/sys/dev/usb/usbdevs
@@ -1390,6 +1390,7 @@ product SIRIUS ROADSTER		0x0001	NetComm Roadster II 56 USB
 
 /* Sitecom products */
 product SITECOM LN029		0x182d	USB 2.0 Ethernet
+product SITECOM SERIAL		0x2068	USB to serial cable (v2)
 
 /* SmartBridges products */
 product SMARTBRIDGES SMARTLINK	0x0001	SmartLink USB ethernet