diff --git a/agent-proxy-rs232.c b/agent-proxy-rs232.c
index 4027e8e..768fd55 100644
--- a/agent-proxy-rs232.c
+++ b/agent-proxy-rs232.c
@@ -71,6 +71,39 @@
 #ifdef B460800
 	{ 460800, B460800 },
 #endif
+#ifdef B500000
+	{ 500000, B500000 },
+#endif
+#ifdef B576000
+	{ 576000, B576000 },
+#endif
+#ifdef B921600
+	{ 921600, B921600 },
+#endif
+#ifdef B1000000
+	{ 1000000, B1000000 },
+#endif
+#ifdef B1152000
+	{ 1152000, B1152000 },
+#endif
+#ifdef B1500000
+	{ 1500000, B1500000 },
+#endif
+#ifdef B2000000
+	{ 2000000, B2000000 },
+#endif
+#ifdef B2500000
+	{ 2500000, B2500000 },
+#endif
+#ifdef B3000000
+	{ 3000000, B3000000 },
+#endif
+#ifdef B3500000
+	{ 3500000, B3500000 },
+#endif
+#ifdef B4000000
+	{ 4000000, B4000000 },
+#endif
 	{ -1, -1 },
 };