diff --git a/README.md b/README.md
index 23e4433..b2ad1c8 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Can be used in two modes:
   - Client: rubber duck antenna or mobile antenna on a car roof
   - Server: 7 element UHF yagi indoors
 - Range (20 KHz channel width and 11 spreading factor, also got similar results with 125 kHz and 12 SF)
-  - **About 4 km** when server is 30m above the ground and client is 2m above the ground with rubber duck antenna
+  - **About 7 km** when server is 30m above the ground and client is 2m above the ground with rubber duck antenna or inside a car
   - **About 13 km** when server is 30m above the ground and client is at some higher point ~40m above the ground with rubber duck antenna
   - **About 17km** maximum (non-reliable) between base and mobile station with antenna on the car roof
 - Signal levels