Index: umsm.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/umsm.c,v
retrieving revision 1.125
diff -u -p -r1.125 umsm.c
--- umsm.c	2 Apr 2023 23:57:57 -0000	1.125
+++ umsm.c	6 Apr 2023 08:40:30 -0000
@@ -271,6 +271,7 @@ static const struct umsm_type umsm_devs[
 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_340U}, 0},
 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_770S}, 0},
 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC7455}, 0},
+	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC7700}, 0},
 
 	{{ USB_VENDOR_SIMCOM, USB_PRODUCT_SIMCOM_SIM5320}, 0},
 	{{ USB_VENDOR_SIMCOM, USB_PRODUCT_SIMCOM_SIM7600E}, 0},