diff --git a/SerialPort.cpp b/SerialPort.cpp
index fd981af..37d19ed 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -72,10 +72,12 @@ const uint8_t MMDVM_DEBUG5       = 0xF5U;
 
 
 #if defined(EXTERNAL_OSC)
-const uint8_t HARDWARE[]         = "MMDVM 20170303 TCXO (D-Star/DMR/System Fusion/P25/RSSI/CW Id)";
+#define DESCRIPTION              "MMDVM 20170303 TCXO (D-Star/DMR/System Fusion/P25/RSSI/CW Id)"
 #else
-const uint8_t HARDWARE[]         = "MMDVM 20170303 (D-Star/DMR/System Fusion/P25/RSSI/CW Id)";
+#define DESCRIPTION              "MMDVM 20170303 (D-Star/DMR/System Fusion/P25/RSSI/CW Id)"
 #endif
+#define concat(a, b, c) a " (Build: " b " " c ")"
+const char HARDWARE[] = concat(DESCRIPTION, __TIME__, __DATE__);
 
 const uint8_t PROTOCOL_VERSION   = 1U;