The switch shall be an external mute switch for connection to a DPT 700, PT 450 or PT 4000. The mute switch shall provide a locking on/off switch and a clip for fastening the device, e.g., on clothes. The RMS 4000 shall enable the user to mute the transmitter discreetly if the transmitter is difficult to reach when it is mounted, e.g., on the user's body. The switch shall be fitted with a 110-cm cable and weigh approx. 30 g.
