The Perception Wireless HT45 and SR45 Bundle operates in the U1 band with a frequency range of 606.100-613.600MHz and a power output of 10mW. This wireless system offers reliable connectivity for musicians, DJs, and audio professionals looking for a high-quality microphone solution. With the reputable Perception brand behind it, this bundle ensures top-notch performance and durability for a seamless wireless audio experience.