Radio in your answers.

GTCO CalComp's InterWrite PRS RF, a radio frequency version of its student response system, is designed to work from the smallest classrooms to the largest lecture halls with up to 2,000 students. The system has a redesigned transmitter that features a two-line, 16-character LCD display for students to see their answers and receive notification that they were successfully transmitted. Instructors can ask multiple-choice, true/false, and advanced numeric questions with positive and negative numbers and decimal points. The system comes with Mac- and Windows-compatible software for creating questions or importing them from textbook publishers; it also offers grading, reporting, and data management features, like exporting data to learning management systems. While the system price was not yet determined at press time, individual transmitters cost $45 each. For more information, visit www.qtcocalcomp.com.