diff --git a/meson.build b/meson.build
index 3e0b8e04..d527a193 100644
--- a/meson.build
+++ b/meson.build
@@ -30,6 +30,7 @@ openrtx_src = ['openrtx/src/core/state.c',
                'openrtx/src/core/gps.c',
                'openrtx/src/core/dsp.cpp',
                'openrtx/src/core/cps.c',
+               'openrtx/src/core/crc.c',
                'openrtx/src/core/memory_profiling.cpp',
                'openrtx/src/ui/ui.c',
                'openrtx/src/ui/ui_main.c',
diff --git a/openrtx/include/core/crc.h b/openrtx/include/core/crc.h
new file mode 100644
index 00000000..913defed
--- /dev/null
+++ b/openrtx/include/core/crc.h
@@ -0,0 +1,44 @@
+/***************************************************************************
+ *   Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program 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.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#ifndef CRC_H
+#define CRC_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Compute the CCITT 16-bit CRC over a given block of data.
+ *
+ * @param data: input data.
+ * @param len: data length, in bytes.
+ * @return CCITT CRC.
+ */
+uint16_t crc_ccitt(const void *data, const size_t len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CRC_H */
diff --git a/openrtx/src/core/crc.c b/openrtx/src/core/crc.c
new file mode 100644
index 00000000..9a66cba3
--- /dev/null
+++ b/openrtx/src/core/crc.c
@@ -0,0 +1,37 @@
+/***************************************************************************
+ *   Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program 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.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#include <crc.h>
+
+uint16_t crc_ccitt(const void *data, const size_t len)
+{
+    uint16_t x   = 0;
+    uint16_t crc = 0;
+    const uint8_t *buf = ((const uint8_t *) data);
+
+    for(size_t i = 0; i < len; i++)
+    {
+        x   = (crc >> 8) ^ buf[i];
+        x  ^= x >> 4;
+        crc = (crc << 8) ^ (x << 12) ^ (x << 5) ^ x;
+    }
+
+    return crc;
+}