The Shure ULXD2/B87A Handheld Wireless Microphone Transmitter works with ULX-D Wireless Systems. AES 256-bit encryption for applications for which secure transmission is needed Proprietary Shure Gain Ranging optimizes the system's dynamic range for any input source, eliminating the need for transmitter gain adjustments
Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.