The Shure SLX1 J3 Wireless Bodypack Transmitter operates in the 572 - 596 MHz range and is designed for reliable wireless audio transmission. It features automatic transmitter setup and a backlit LCD with a timeout function for convenient control. The transmitter offers frequency and power lockout to prevent interference, alongside a 3-segment battery fuel gauge for clear monitoring. Powered by 2 AA batteries, it delivers over 8 hours of continuous use. The unit is housed in a durable molded ABS case, ensuring ruggedness suitable for professional use. It supports an audio input level up to +10 dBV at 0 dB gain position and has an operational range of about 100 meters (300 feet).