MLB looking at electronic system for calling pitches
Vanderbilt baseball debuts wearable 'pitch-signaling' devices to cut down sign-stealing, improve pace of play
College baseball goes high-tech to send pitch calls to mound
Wristband Signs - Own The Zone Sports
MLB looking at electronic system for calling pitches
Wristband Signs - Own The Zone Sports
Coach-to-player technology that many have pushed for could have prevented Michigan scandal
Use of one-way electronic devices approved in college baseball
Vanderbilt used an electronic wristband system for calling pitches
College Baseball Was On the Clock and Chose an Electronic Wristband
Pistons win third straight – Monday Morning Sports Update
Baseball NCAA NFHS Compliant One-Way Communication Device Coach to Player, Pitcher, Catcher — Qubit
Never Miss A Sign Wristband Sign System for Baseball and Softball — Never Miss a Sign