--- a/demo/london/etc/london-dbm.xml	Wed Dec 12 20:29:20 2018 +0000
+++ b/demo/london/etc/london-dbm.xml	Sun Dec 16 17:25:05 2018 +0000
@@ -21,7 +21,7 @@
 
 <telegraph title="Wi-Fi signal">
     <graph label="dBm">
-        --upper-limit=-15
+        --upper-limit=-5
         --lower-limit=-95
         --units-exponent=0
         --rigid