Persistent Systems unveils new Dual Channel Push-to-Talk (PTT) device for the MPU5

NEW YORK , Oct.andnbsp;Persistent Systems, LLC ("Persistent") announced today that it is unveiling its new Dual Channel Push-to-Talk ("Dual PTT") accessory for the MPU5.andnbsp; The Dual PTT, said company officials, will allow the MPU5's audio capabilities to reach their full potential. Click here for more.

from Cellular News http://bit.ly/2wHWkbp