diff --git a/src/main/java/com/romraider/io/connection/KwpConnectionProperties.java b/src/main/java/com/romraider/io/connection/KwpConnectionProperties.java
new file mode 100644
index 00000000..97c260e5
--- /dev/null
+++ b/src/main/java/com/romraider/io/connection/KwpConnectionProperties.java
@@ -0,0 +1,28 @@
+/*
+ * RomRaider Open-Source Tuning, Logging and Reflashing
+ * Copyright (C) 2006-2018 RomRaider.com
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+package com.romraider.io.connection;
+
+public interface KwpConnectionProperties extends ConnectionProperties {
+    public int getP1Max();
+
+    public int getP3Min();
+
+    public int getP4Min();
+}
diff --git a/src/main/java/com/romraider/io/connection/KwpSerialConnectionProperties.java b/src/main/java/com/romraider/io/connection/KwpSerialConnectionProperties.java
new file mode 100644
index 00000000..30d538c0
--- /dev/null
+++ b/src/main/java/com/romraider/io/connection/KwpSerialConnectionProperties.java
@@ -0,0 +1,105 @@
+/*
+ * RomRaider Open-Source Tuning, Logging and Reflashing
+ * Copyright (C) 2006-2018 RomRaider.com
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+package com.romraider.io.connection;
+
+public final class KwpSerialConnectionProperties implements KwpConnectionProperties {
+    private final int baudRate;
+    private final int dataBits;
+    private final int stopBits;
+    private final int parity;
+    private final int connectTimeout;
+    private final int sendTimeout;
+    private final int p1_max;
+    private final int p3_min;
+    private final int p4_min;
+
+
+    public KwpSerialConnectionProperties(int baudRate, int dataBits, int stopBits,
+            int parity, int connectTimeout, int sendTimeout, int p1_max, int p3_min,
+            int p4_min) {
+        this.baudRate = baudRate;
+        this.dataBits = dataBits;
+        this.stopBits = stopBits;
+        this.parity = parity;
+        this.connectTimeout = connectTimeout;
+        this.sendTimeout = sendTimeout;
+        this.p1_max = p1_max;
+        this.p3_min = p3_min;
+        this.p4_min = p4_min;
+    }
+
+    public int getBaudRate() {
+        return baudRate;
+    }
+
+    public void setBaudRate(int b) {
+
+    }
+
+    public int getDataBits() {
+        return dataBits;
+    }
+
+    public int getStopBits() {
+        return stopBits;
+    }
+
+    public int getParity() {
+        return parity;
+    }
+
+    public int getConnectTimeout() {
+        return connectTimeout;
+    }
+
+    public int getSendTimeout() {
+        return sendTimeout;
+    }
+
+    public int getP1Max() {
+        return p1_max;
+    }
+
+    public int getP3Min() {
+        return p3_min;
+    }
+
+    public int getP4Min() {
+        return p4_min;
+    }
+
+    public String toString() {
+        final String properties = String.format(
+                "%s[baudRate=%d, dataBits=%d, stopBits=%d, parity=%d, " + 
+                "connectTimeout=%d, sendTimeout=%d, p1_max=%d, p3_min=%d, p4_min=%d]",
+            getClass().getSimpleName(),
+            getBaudRate(),
+            getDataBits(),
+            getStopBits(),
+            getParity(),
+            getConnectTimeout(),
+            getSendTimeout(),
+            getP1Max(),
+            getP3Min(),
+            getP4Min()
+        );
+        return properties;
+    }
+}