Manufacturers description

UR1 Wireless Bodypack Transmitters
The UR1 transmitter is a compact bodypack, constructed of lightweight metal to be exceptionally unobtrusive and abuse-resistant.
Features
UHF-R Wireless features Shure's patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology.
UR1 Bodypack Transmitter Overview:
- Switchable RF power (10/50mW or 10/100mW, regionally dependent)
- Durable, lightweight magnesium construction (3.25 oz / 94 g)
- Frequency and power lockout
- Bit-mapped backlit LCD display
- 2 AA Batteries provide up to 8 hours continuous use
- Infared automatic transmitter sync
- Removable antenna
Description
SHURE WIRELESS SYSTEMS - UHF-R Series Radiomics
UHF-R systems 'master the high pressure and extreme conditions of any large-scale touring or installation environment' while delivering 'uncompromising Shure sound'. 'Rock-solid engineering, the latest technology, and unparalled RF performance provide sound professionals with all the features and flexibility they need to tightly control up to 108 systems for the most elaborate productions'. UHF-R systems feature Shure's patented Audio Reference Companding for 'crystal-clear sound beyond the limits of conventional wireless technology'. UHF-R is exclusively available with Shure's premium KSM9 Dual-Diaphragm wireless microphone.