This Shure Axient Digital Dual-Channel Portable Wireless Receiver is perfect for live events, musicians, and audio professionals. It offers high-performance features in a portable design. With a UHF RF Carrier Frequency Range of 470-636 MHz, it provides reliable wireless connectivity. The working range (line of sight) is 75m (246 ft) in Standard Density Mode and 40 m (131 ft) in High Density Mode. It has a dimension of 1.14 x 3.46 x 4.25' (29 x 88 x 108mm) (No backplate) and weighs 0.53Lbs (0.24kg), without antennas or backplate. Ideal for those seeking top-notch audio performance on the go.