Hi,
Welcome to the forum.
Please read the first post in any forum entitled how to use this forum.
http://forum.arduino.cc/index.php/topic,148850.0.html
SMA with just pigtail wire would do, then you could use the wire to connect to the Arduino.
What model Arduino?
What is the actual output signal from the sensor module?
Can you post a link to spec/data of the module please?
Thanks.. Tom... 