Stable UHF Transmission: Our wireless XLR adapter uses U - band frequencies to solve common issues like dropouts and interference seen in 2.4GHz or 5.8GHz systems. It offers reliable, interference-free connections even in Wi-Fi-heavy or crowded venues. Support the wireless range of 65-130 ft (20-40m) , ideal for live shows, speeches, weddings.FCC CertifiedID:2APP6ARU-10for 657.1-662.9 MHz, fully compliant with U.S. 600MHz band regulations Versatile compatibility: The wireless XLR Mic transmitter and receiver compatible with dynamic microphones, audio mixers, PA systems, and DSLR cameras. Supports 7 sets of devices to be used simultaneously without interfering with each other. (Please note: Not for any devices that require phantom power. Self-powered condenser mics with battery/USB operate normally.) High-Quality Sound: The wireless XLR adapter offers 24-bit audio resolution, 192K sampling frequency, 106 dB dynamic range, and