The Shure BLX14R/CVL-H8E Wireless System operates within the 518 - 542 MHz frequency band and is designed for spoken word applications such as presentations. The wireless system offers analogue wireless transmission and includes the BLX1 bodypack transmitter BLX4R wireless receiver and the CVL lavalier microphone. The BLX4R receiver comes with a rack mount kit and removable antennas for quick distribution. The BLX system range prides itself on professional sound that is easy and efficient to setup giving you the freedom to perform with quality.