diff --git a/docs/c-netz.html b/docs/c-netz.html
index 12a0568..e9189f2 100644
--- a/docs/c-netz.html
+++ b/docs/c-netz.html
@@ -44,7 +44,8 @@ A caller must not know the location of the phone anymore to reach the right base
 
 <p>
 <ul>
-	<li>Frequency range: 461.300 - 465.740 MHz (down-link); 451.300 - 465.740 MHz (up-link)
+	<li>Frequency range: 461.010 - 465.740 MHz (down-link); 451.010 - 465.740 MHz (up-link)
+	<li>Extended frequency range: 460.010 - 465.740 MHz (down-link); 450.010 - 465.740 MHz (up-link)
 	<li>222 voice channels
 	<li>237 voice channels since Mai 1988
 	<li>287 voice channels since September 1989