diff --git a/software/testutils/sniff.py b/software/testutils/sniff.py
new file mode 100644
index 0000000..eea06d2
--- /dev/null
+++ b/software/testutils/sniff.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python2
+
+import sys
+import serial
+
+def hexdump(data):
+    res = ""
+    for char in data:
+        res += "%X " % (ord(char))
+
+    return res
+
+if len(sys.argv) < 2:
+    print "Usage %s <port>" % (sys.argv[0])
+    sys.exit(-1)
+
+ser = serial.Serial(sys.argv[1], 9600, timeout=0.40)
+
+
+
+
+while True:
+    data = ser.read(19)
+    if data != "" and len(data) != 19:
+        print "No Frame:\t" + hexdump(data)
+
+    header_ok = data.startswith(chr(0xAA) + chr(0xFE))
+
+    line = ""
+    if header_ok:
+        line += "Header OK\t"
+    else:
+        line += "Header not OK\t"
+
+    line += hexdump(data)
+    print line