The Shure ULXD1 Digital Bodypack Transmitter is perfect for professional sound reinforcement applications. It's designed for audio professionals who need high-quality wireless transmission. With a rugged aluminum housing, it's durable and lightweight. The transmitter has a TA4M connector and is compatible with Lav/Headset Mic or Instrument. It offers features like Automatic Gain Adjustment, 1/10/20mW RF Output Power, a detachable antenna, Mute Mode, and a Backlit LCD. The RF Frequency Band is X52 (902 to 925 MHz), with a bandwidth of 26 MHz and a frequency step size of 25 kHz. It has an auto-scan RF channel scanning, a max operating range of 328.1' / 100 m, a sample rate/resolution of 48 kHz / 24-bit, and a latency of < 2.9 ms. It comes with a 12-Hour SB900A rechargeable battery, and its dimensions are 2.6 x 3.4 x 0.9' / 66 x 86 x 23 mm, weighing 5 oz / 142 g without batteries. The package weight is 0.9 lb, and the box dimensions (LxWxH) are 12.8 x 4.9 x 3.4'.