diff --git a/grc/demapping/gsm_tch_h_chans_demapper.xml b/grc/demapping/gsm_tch_h_chans_demapper.xml
new file mode 100644
index 0000000..f2bd67f
--- /dev/null
+++ b/grc/demapping/gsm_tch_h_chans_demapper.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0"?>
+<block>
+  <name>TCH/H Demapper</name>
+  <key>gsm_tch_h_chans_demapper</key>
+  <import>import grgsm</import>
+  <make>grgsm.tch_h_chans_demapper($timeslot_nr, $tch_h_channel)</make>
+
+  <param>
+    <name>Timeslot</name>
+    <key>timeslot_nr</key>
+    <value>2</value>
+    <type>int</type>
+    <hide>part</hide>
+  </param>
+
+  <param>
+    <name>TCH/H Channel</name>
+    <key>tch_h_channel</key>
+    <value>0</value>
+    <type>int</type>
+    <hide>#if $tch_type() == 0 then 'all' else 'none'#</hide>
+  </param>
+  <check>$tch_h_channel() &gt; -1 and $tch_h_channel() &lt; 2</check>
+
+  <sink>
+    <name>bursts</name>
+    <type>message</type>
+    <optional>1</optional>
+  </sink>
+  <source>
+    <name>tch_bursts</name>
+    <type>message</type>
+    <optional>1</optional>
+  </source>
+  <source>
+    <name>acch_bursts</name>
+    <type>message</type>
+    <optional>1</optional>
+  </source>
+</block>