diff --git a/device.mk b/device.mk
index 0cfbff55..b84f5954 100644
--- a/device.mk
+++ b/device.mk
@@ -71,6 +71,9 @@ PRODUCT_PROPERTY_OVERRIDES += log.tag.ShannonQNS-emergency=DEBUG
 PRODUCT_PROPERTY_OVERRIDES += log.tag.ShannonQNS-mms=DEBUG
 PRODUCT_PROPERTY_OVERRIDES += log.tag.ShannonQNS-xcap=DEBUG
 PRODUCT_PROPERTY_OVERRIDES += log.tag.ShannonQNS-HC=DEBUG
+
+# Modem userdebug
+include device/google/gs201/modem/userdebug.mk
 endif
 
 ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
diff --git a/modem/userdebug.mk b/modem/userdebug.mk
new file mode 100644
index 00000000..ba4c0e9d
--- /dev/null
+++ b/modem/userdebug.mk
@@ -0,0 +1 @@
+PRODUCT_PACKAGES += vcd