diff --git a/bindings/python/test_Hamlib_Rig_class.py b/bindings/python/test_Hamlib_Rig_class.py
index 3f60f0ce6..83387836f 100755
--- a/bindings/python/test_Hamlib_Rig_class.py
+++ b/bindings/python/test_Hamlib_Rig_class.py
@@ -70,6 +70,7 @@ class TestClass:
 'scan',
 'send_dtmf',
 'send_morse',
+'send_raw',
 'set_ant',
 'set_bank',
 'set_channel',
diff --git a/bindings/python/test_rig.py b/bindings/python/test_rig.py
index 5c0c305ec..ee3c28e31 100755
--- a/bindings/python/test_rig.py
+++ b/bindings/python/test_rig.py
@@ -190,6 +190,23 @@ class TestClass:
         assert rig.set_spectrum_callback(None) is None
 
 
+    def do_test_send_raw(self, rig):
+        """rig_send_raw() tests"""
+
+        # When using the Dummy driver, rig.c replies with a copy of the data
+        test_string_1 = "test string 012\n"
+        test_string_2 = test_string_1 * 2
+        assert rig.send_raw(test_string_1) == test_string_1
+        assert rig.send_raw(test_string_2, "\n") == test_string_1
+        assert rig.send_raw(test_string_2, bytes([10])) == test_string_1
+
+        test_bytes_1 = bytes("test bytes\x00\x01\x02", "ASCII")
+        test_bytes_2 = test_bytes_1 * 2
+        assert rig.send_raw(test_bytes_1) == test_bytes_1
+        assert rig.send_raw(test_bytes_1, "s") == b"tes"
+        assert rig.send_raw(test_bytes_2, b"\x02") == test_bytes_1
+
+
     def test_with_open(self, model, rig_file, serial_speed):
         """Call all the methods that depend on open()"""
         rig = Hamlib.Rig(model)
@@ -211,6 +228,9 @@ class TestClass:
         self.do_test_antenna(rig)
         self.do_test_squelch(rig)
         self.do_test_callback(rig)
+        # When using the Dummy driver, rig.c replies with a copy of the data
+        if model == Hamlib.RIG_MODEL_DUMMY:
+            self.do_test_send_raw(rig)
 
         assert rig.close() is None
         assert rig.state.comm_state == 0
diff --git a/bindings/rig.swg b/bindings/rig.swg
index a062bcfef..7d577afc3 100644
--- a/bindings/rig.swg
+++ b/bindings/rig.swg
@@ -735,6 +735,48 @@ int *rig_spectrum_cb_python(RIG *rig, struct rig_spectrum_line *rig_spectrum_lin
 		return status;
 	}
 
+#ifdef SWIGPYTHON
+	PyObject *send_raw(PyObject *send_obj, PyObject *term_obj=NULL)
+	{
+		char *send, *term;
+		size_t send_len;
+		int reply_len = MAX_RETURNSTR;
+		unsigned char reply_buffer[MAX_RETURNSTR];
+		int count;
+
+		if (PyUnicode_Check(send_obj)) {
+			send = PyUnicode_AsUTF8AndSize(send_obj, &send_len);
+		} else if (PyBytes_Check(send_obj)) {
+			PyBytes_AsStringAndSize(send_obj, &send, &send_len);
+		} else {
+			SWIG_Python_RaiseOrModifyTypeError("Expected string or bytes for send argument");
+			return NULL;
+		}
+
+		// Using NULL for length in PyUnicode_AsUTF8AndSize() and PyBytes_AsStringAndSize()
+		// because we can't accept '\0' because there is no length for term in rig_send_raw()
+		if (PyUnicode_Check(term_obj)) {
+			term = PyUnicode_AsUTF8AndSize(term_obj, NULL);
+		} else if (PyBytes_Check(term_obj)) {
+			PyBytes_AsStringAndSize(term_obj, &term, NULL);
+		} else if (term_obj == Py_None) {
+			term = NULL;
+		} else {
+			SWIG_Python_RaiseOrModifyTypeError("Expected string or bytes or NULL for term argument");
+			return NULL;
+		}
+
+		count = rig_send_raw(self->rig, send, send_len, reply_buffer, reply_len, term);
+		self->error_status = count < 0 ? count : RIG_OK;
+
+		if (PyUnicode_Check(send_obj)) {
+			return PyUnicode_FromStringAndSize(reply_buffer, count);
+		} else {
+			return PyBytes_FromStringAndSize(reply_buffer, count);
+		}
+	}
+#endif
+
 //#ifndef SWIGJAVA
 	/* TODO */
 	void get_level(setting_t level, vfo_t vfo = RIG_VFO_CURR)
diff --git a/rigs/tentec/orion.c b/rigs/tentec/orion.c
index c2c30d31f..eb635863c 100644
--- a/rigs/tentec/orion.c
+++ b/rigs/tentec/orion.c
@@ -228,7 +228,7 @@ static int tt565_transaction(RIG *rig, const char *cmd, int cmd_len, char *data,
 }
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \returns RIG_OK or < 0
  * \brief Basically, it just sets up *priv
  */
@@ -257,7 +257,7 @@ int tt565_close(RIG *rig)
 }
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \brief tt565_cleanup routine
  *
  * the serial port is closed by the frontend
@@ -309,7 +309,7 @@ static void start_thread(RIG *rig)
 }
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \brief tt565_open routine
  *
  * Open the rig - check firmware version issues
@@ -342,7 +342,7 @@ int tt565_open(RIG *rig)
 }
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \param vfo RIG_VFO_MAIN or RIG_VFO_SUB
  * \returns 'M' or 'S' for main or subreceiver or <0 error
  * \brief vfo must be RIG_VFO_MAIN or RIG_VFO_SUB
@@ -375,7 +375,7 @@ static char which_receiver(const RIG *rig, vfo_t vfo)
     }
 }
 /**
- * \param rig
+ * \param rig   The rig handle
  * \param vfo RIG_VFO_A, RIG_VFO_B, or RIG_VFO_NONE
  * \returns 'A' or 'B' or 'N' for VFO A, B, or null VFO, or <0 error
  * \brief vfo must be RIG_VFO_A, RIG_VFO_B, or RIG_VFO_NONE.
@@ -1972,7 +1972,7 @@ int tt565_vfo_op(RIG *rig, vfo_t vfo, vfo_op_t op)
 }
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \param vfo
  * \param msg A message string (<= 20 char)
  * \returns RIG_OK
diff --git a/src/ext.c b/src/ext.c
index 710748d4b..7236f1d79 100644
--- a/src/ext.c
+++ b/src/ext.c
@@ -218,7 +218,7 @@ int HAMLIB_API rig_ext_parm_foreach(RIG *rig,
 
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \param name
  * \brief lookup ext token by its name, return pointer to confparams struct.
  *
@@ -267,7 +267,7 @@ const struct confparams *HAMLIB_API rig_ext_lookup(RIG *rig, const char *name)
 }
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \param token
  * \brief lookup ext token, return pointer to confparams struct.
  *
@@ -316,7 +316,7 @@ const struct confparams *HAMLIB_API rig_ext_lookup_tok(RIG *rig,
 
 
 /**
- * \param rig
+ * \param rig   The rig handle
  * \param name
  * \brief Simple lookup returning token id associated with name
  */
diff --git a/src/misc.c b/src/misc.c
index 1e3e3665b..8d448d2a2 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -1031,7 +1031,7 @@ static const struct
 
 /**
  * \brief check input to set_level
- * \param rig Pointer to rig data
+ * \param rig The rig handle
  * \param level RIG_LEVEL_* trying to set
  * \param val Raw input from the caller
  * \param gran If not NULL, set to location of level_gran data
diff --git a/src/rig.c b/src/rig.c
index 8e0ca4e00..4807011db 100644
--- a/src/rig.c
+++ b/src/rig.c
@@ -8887,9 +8887,23 @@ extern int read_icom_frame(hamlib_port_t *p, const unsigned char rxbuffer[],
                            size_t rxbuffer_len);
 
 
-// Returns # of bytes read
-// reply_len should be max bytes expected + 1
-// if term is null then will read reply_len bytes exactly and reply will not be null terminated
+/**
+ * \brief Send verbatim data
+ *
+ * \a reply_len should be max bytes expected + 1
+ *
+ * If \a term is NULL then will read \a reply_len bytes exactly and reply will not be '\0' terminated.
+ * \param rig The rig handle
+ * \param send The buffer containing the data to be sent
+ * \param send_len The length of send buffer
+ * \param reply The buffer that will contain the data to be received
+ * \param reply_len The length of the reply buffer
+ * \param term The optional 1-char string that will terminate the read
+ *
+ * \return the number of bytes read if the operation has been successful, otherwise
+ * a negative value if an error occurred (in which case, cause is
+ * set appropriately).
+ */
 HAMLIB_EXPORT(int) rig_send_raw(RIG *rig, const unsigned char *send,
                                 int send_len, unsigned char *reply, int reply_len, unsigned char *term)
 {
@@ -8909,12 +8923,9 @@ HAMLIB_EXPORT(int) rig_send_raw(RIG *rig, const unsigned char *send,
 
     if (simulate)
     {
-        rig_debug(RIG_DEBUG_VERBOSE, "%s: simulating response for model %s\n",
-                  __func__, rig->caps->model_name);
-        memcpy(reply, send, send_len);
-        retval = send_len;
-        ELAPSED2;
-        RETURNFUNC(retval);
+        rig_debug(RIG_DEBUG_VERBOSE, "%s: simulating write for model %s\n",
+                    __func__, rig->caps->model_name);
+        retval = RIG_OK;
     }
     else
     {
@@ -8935,8 +8946,18 @@ HAMLIB_EXPORT(int) rig_send_raw(RIG *rig, const unsigned char *send,
         if (simulate)
         {
             // Simulate a response by copying the command
-            memcpy(buf, send, send_len);
-            nbytes = send_len + 1;
+            rig_debug(RIG_DEBUG_VERBOSE, "%s: simulating response for model %s\n",
+                      __func__, rig->caps->model_name);
+
+            nbytes = send_len < reply_len ? send_len : reply_len;
+            for (int i = 0; i < nbytes; i++)
+            {
+                buf[i] = send[i];
+                if (term && memchr(term, send[i], 1)) {
+                    nbytes = i + 1;
+                    break;
+                }
+            }
         }
         else
         {