diff --git a/lib/hardware/GwM5Grove.in b/lib/hardware/GwM5Grove.in
index aed70a1..9858783 100644
--- a/lib/hardware/GwM5Grove.in
+++ b/lib/hardware/GwM5Grove.in
@@ -43,6 +43,13 @@
   #define _GWI_SERIAL_GROOVE$GS$ GWSERIAL_TYPE_RX,9600
 #endif
 
+#GROVE
+//https://docs.m5stack.com/en/unit/Unit-GPS%20v1.1
+#ifdef M5_GPSV11_UNIT$GS$
+  GWRESOURCE_USE(GROOVE$G$,M5_GPSV11_UNIT$GS$)
+  #define _GWI_SERIAL_GROOVE$GS$ GWSERIAL_TYPE_RX,115200
+#endif
+
 #GROVE
 //CAN via groove 
 #ifdef M5_CANUNIT$GS$
diff --git a/webinstall/build.yaml b/webinstall/build.yaml
index 8344026..fe7ec90 100644
--- a/webinstall/build.yaml
+++ b/webinstall/build.yaml
@@ -179,6 +179,11 @@ types:
         description: "M5 Gps Unit"
         url: "https://docs.m5stack.com/en/unit/gps"
         resource: serial
+      - label: "Gps Unit v1.1"
+        value: M5_GPSV11_UNIT#grv#
+        description: "M5 Gps Unit v1.1"
+        url: "https://docs.m5stack.com/en/unit/Unit-GPS%20v1.1"
+        resource: serial
       - label: "RS232/RS422"
         value: SERIAL_GROOVE_232#grv#
         description: "Generic RS232/RS422 Unit (bidirectional)"