diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 89157ed..670391e 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -64,3 +64,4 @@
 #GR_ADD_TEST(qa_arfcn ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_arfcn.py)
 #GR_ADD_TEST(qa_msg_to_tag ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_msg_to_tag.py)
 #GR_ADD_TEST(qa_controlled_fractional_resampler_cc ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_controlled_fractional_resampler_cc.py)
+GR_ADD_TEST(qa_uplink_downlink_filter ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_uplink_downlink_filter.py)
diff --git a/python/qa_uplink_downlink_filter.py b/python/qa_uplink_downlink_filter.py
new file mode 100755
index 0000000..cd310bf
--- /dev/null
+++ b/python/qa_uplink_downlink_filter.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# @file
+# @author Piotr Krysik <ptrkrysik@gmail.com>
+# @section LICENSE
+# 
+# Gr-gsm is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# Gr-gsm is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with gr-gsm; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+# 
+
+from gnuradio import gr, gr_unittest
+from gnuradio import blocks
+import grgsm_swig as grgsm
+
+class qa_uplink_downlink_filter (gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_001_t (self):
+        # set up fg
+        self.tb.run ()
+        # check data
+
+
+if __name__ == '__main__':
+    gr_unittest.run(qa_uplink_downlink_filter, "qa_uplink_downlink_filter.xml")