![No more drama: Portable, accurate, and affordable In/Out tennis line call device saves time and nerves! - Women's Tennis Blog No more drama: Portable, accurate, and affordable In/Out tennis line call device saves time and nerves! - Women's Tennis Blog](https://womenstennisblog.com/wp-content/uploads/2017/03/In-Out.jpg)
No more drama: Portable, accurate, and affordable In/Out tennis line call device saves time and nerves! - Women's Tennis Blog
![Tennis Industry on Twitter: "In/Out, a portable line-calling device that uses radar technologies, takes first prize at Innovation Challenge NYC https://t.co/MT6TUTymsT https://t.co/F6lyNfg6IG" / Twitter Tennis Industry on Twitter: "In/Out, a portable line-calling device that uses radar technologies, takes first prize at Innovation Challenge NYC https://t.co/MT6TUTymsT https://t.co/F6lyNfg6IG" / Twitter](https://pbs.twimg.com/media/DJJOSScWsAAi5ZF.jpg)
Tennis Industry on Twitter: "In/Out, a portable line-calling device that uses radar technologies, takes first prize at Innovation Challenge NYC https://t.co/MT6TUTymsT https://t.co/F6lyNfg6IG" / Twitter
![New In/Out Device Uses Innovative Technology to Call Tennis Lines and Provide Game-Improvement Statistics - ALTA Net News Magazine New In/Out Device Uses Innovative Technology to Call Tennis Lines and Provide Game-Improvement Statistics - ALTA Net News Magazine](https://netnewsimages.s3.amazonaws.com/wp-content/uploads/2017/11/In-Out-1.jpeg)