diff --git a/sys/dev/usb/serial/u3g.c b/sys/dev/usb/serial/u3g.c
index e2c7cb08502b..1b1a13e8a8dd 100644
--- a/sys/dev/usb/serial/u3g.c
+++ b/sys/dev/usb/serial/u3g.c
@@ -285,6 +285,7 @@ static const struct usb_device_id u3g_devs[] = {
 	U3G_DEV(HUAWEI, E1752, U3GINIT_HUAWEISCSI),
 	U3G_DEV(KYOCERA2, CDMA_MSM_K, 0),
 	U3G_DEV(KYOCERA2, KPC680, 0),
+	U3G_DEV(LONGCHEER, WM66, U3GINIT_HUAWEI),
 	U3G_DEV(MERLIN, V620, 0),
 	U3G_DEV(NOVATEL, E725, 0),
 	U3G_DEV(NOVATEL, ES620, 0),
diff --git a/sys/dev/usb/usbdevs b/sys/dev/usb/usbdevs
index 1f7b31088164..9e2e4271b0cc 100644
--- a/sys/dev/usb/usbdevs
+++ b/sys/dev/usb/usbdevs
@@ -645,6 +645,7 @@ vendor STELERA		0x1a8d	Stelera Wireless
 vendor OVISLINK		0x1b75	OvisLink
 vendor TCTMOBILE	0x1bbb  TCT Mobile
 vendor TELIT		0x1bc7  Telit
+vendor LONGCHEER	0x1c9e	Longcheer Holdings, Ltd.
 vendor MPMAN		0x1cae	MpMan
 vendor DRESDENELEKTRONIK 0x1cf1 dresden elektronik
 vendor PEGATRON		0x1d4d	Pegatron
@@ -1984,6 +1985,9 @@ product LOGITEC RT2870_1	0x0162	RT2870
 product LOGITEC RT2870_2	0x0163	RT2870
 product LOGITEC RT2870_3	0x0164	RT2870
 
+/* Longcheer Holdings, Ltd. products */
+product LONGCHEER WM66		0x6061	Longcheer WM66 HSDPA USB modem
+
 /* Lucent products */
 product LUCENT EVALKIT		0x1001	USS-720 evaluation kit