diff --git a/spacelab_transmitter/tc_transmit_packet.py b/spacelab_transmitter/tc_transmit_packet.py
new file mode 100644
index 0000000..8658666
--- /dev/null
+++ b/spacelab_transmitter/tc_transmit_packet.py
@@ -0,0 +1,48 @@
+#
+#  tc_transmit_packet.py
+#
+#  Copyright The SpaceLab-Transmitter Contributors.
+#
+#  This file is part of SpaceLab-Transmitter.
+#
+#  SpaceLab-Transmitter 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 of the
+#  License, or (at your option) any later version.
+#
+#  SpaceLab-Transmitter 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 SpaceLab-Transmitter; if not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+
+from spacelab_transmitter.telecommand import Telecommand
+
+class TransmitPacket(Telecommand):
+    """
+    Transmit packet
+    """
+    def __init__(self):
+        """
+        Constructor.
+        """
+        super().__init__(0x4F, "transmit_packet")
+
+    def generate(self, src_adr, data):
+        """
+        This telecommand is composed by three fields:
+
+        Packet ID (1 byte = 0x4F)
+        Source callsign (7 bytes ASCII)
+        Data (sequence of bytes, up to 52)
+
+        The inputs of the "generate" method will be 
+        the source callsign (ASCII string), 
+        the data to transmit (list of integers).
+        """
+        return [self.get_id()] + self._prepare_callsign(src_adr) + data