Page Type: REFERENCE
The RCX interface is a small black box, without any controls, that mounts directly on the back of a Uniden scanner. It provides the USB interface for data and audio communications between the scanner and a PC.
Very rarely, certain PCs may be incompatible with the RCX sound channel, and audio can be severely distorted.
[FAQ-1063] RCX Severe Audio Distortion Problem
This URL contains a short sample: http://rangecast.com/resource/hnp.mp4