diff --git a/lib/bladerf/bladerf_sink_c.cc b/lib/bladerf/bladerf_sink_c.cc
index 74a4bc9..fe64439 100644
--- a/lib/bladerf/bladerf_sink_c.cc
+++ b/lib/bladerf/bladerf_sink_c.cc
@@ -90,6 +90,11 @@ bladerf_sink_c::bladerf_sink_c(const std::string &args) :
                     "and will have no effect.");
   }
 
+  /* Bias tee */
+  if (dict.count("biastee")) {
+    set_biastee_mode(dict["biastee"]);
+  }
+
   /* Initialize channel <-> antenna map */
   BOOST_FOREACH(std::string ant, get_antennas()) {
     _chanmap[str2channel(ant)] = -1;
@@ -582,3 +587,23 @@ std::string bladerf_sink_c::get_clock_source(size_t mboard)
 {
   return bladerf_common::get_clock_source(mboard);
 }
+
+void bladerf_sink_c::set_biastee_mode(const std::string &mode)
+{
+  int status;
+  bool enable;
+
+  if (mode == "on" || mode == "1" || mode == "rx") {
+    enable = true;
+  } else {
+    enable = false;
+  }
+
+  status = bladerf_set_bias_tee(_dev.get(), BLADERF_CHANNEL_TX(0), enable);
+  if (BLADERF_ERR_UNSUPPORTED == status) {
+    // unsupported, but not worth crashing out
+    BLADERF_WARNING("Bias-tee not supported by device");
+  } else if (status != 0) {
+    BLADERF_THROW_STATUS(status, "Failed to set bias-tee");
+  }
+}
diff --git a/lib/bladerf/bladerf_sink_c.h b/lib/bladerf/bladerf_sink_c.h
index fc5b02c..9f8a496 100644
--- a/lib/bladerf/bladerf_sink_c.h
+++ b/lib/bladerf/bladerf_sink_c.h
@@ -117,6 +117,8 @@ public:
   void set_clock_source(const std::string &source, size_t mboard = 0);
   std::string get_clock_source(size_t mboard);
 
+  void set_biastee_mode(const std::string &mode);
+
 private:
   int transmit_with_tags(int16_t const *samples, int noutput_items);
 
diff --git a/lib/bladerf/bladerf_source_c.cc b/lib/bladerf/bladerf_source_c.cc
index edd8a4d..fb7d42c 100644
--- a/lib/bladerf/bladerf_source_c.cc
+++ b/lib/bladerf/bladerf_source_c.cc
@@ -101,6 +101,11 @@ bladerf_source_c::bladerf_source_c(const std::string &args) :
     }
   }
 
+  /* Bias tee */
+  if (dict.count("biastee")) {
+    set_biastee_mode(dict["biastee"]);
+  }
+
   /* Loopback */
   set_loopback_mode(dict.count("loopback") ? dict["loopback"] : "none");
 
@@ -548,6 +553,26 @@ std::string bladerf_source_c::get_clock_source(size_t mboard)
   return bladerf_common::get_clock_source(mboard);
 }
 
+void bladerf_source_c::set_biastee_mode(const std::string &mode)
+{
+  int status;
+  bool enable;
+
+  if (mode == "on" || mode == "1" || mode == "rx") {
+    enable = true;
+  } else {
+    enable = false;
+  }
+
+  status = bladerf_set_bias_tee(_dev.get(), BLADERF_CHANNEL_RX(0), enable);
+  if (BLADERF_ERR_UNSUPPORTED == status) {
+    // unsupported, but not worth crashing out
+    BLADERF_WARNING("Bias-tee not supported by device");
+  } else if (status != 0) {
+    BLADERF_THROW_STATUS(status, "Failed to set bias-tee");
+  }
+}
+
 void bladerf_source_c::set_loopback_mode(const std::string &loopback)
 {
   int status;
diff --git a/lib/bladerf/bladerf_source_c.h b/lib/bladerf/bladerf_source_c.h
index 4bc3af2..05f9ddf 100644
--- a/lib/bladerf/bladerf_source_c.h
+++ b/lib/bladerf/bladerf_source_c.h
@@ -120,6 +120,8 @@ public:
   void set_clock_source(const std::string &source, size_t mboard = 0);
   std::string get_clock_source(size_t mboard);
 
+  void set_biastee_mode(const std::string &mode);
+
   void set_loopback_mode(const std::string &loopback);
   void set_rx_mux_mode(const std::string &rxmux);
   void set_agc_mode(const std::string &agcmode);