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diff --git a/gr-uhd/lib/uhd_simple_sink.h b/gr-uhd/lib/uhd_simple_sink.h
new file mode 100644
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+++ b/gr-uhd/lib/uhd_simple_sink.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2010 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio 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.
+ * 
+ * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_UHD_SIMPLE_SINK_H
+#define INCLUDED_UHD_SIMPLE_SINK_H
+
+#include <gr_sync_block.h>
+#include <uhd/usrp/simple_usrp.hpp>
+
+class uhd_simple_sink;
+
+boost::shared_ptr<uhd_simple_sink>
+uhd_make_simple_sink(const std::string &args, const uhd::io_type_t::tid_t &type);
+
+class uhd_simple_sink : public gr_sync_block{
+public:
+    uhd_simple_sink(const std::string &args, const uhd::io_type_t &type);
+    ~uhd_simple_sink(void);
+
+    void set_samp_rate(double rate);
+    double get_samp_rate(void);
+
+    uhd::tune_result_t set_center_freq(double freq);
+
+    int work(
+        int noutput_items,
+        gr_vector_const_void_star &input_items,
+        gr_vector_void_star &output_items
+    );
+
+protected:
+    uhd::usrp::simple_usrp::sptr _dev;
+    const uhd::io_type_t _type;
+};
+
+#endif /* INCLUDED_UHD_SIMPLE_SINK_H */