Brand: Shure
The Shure W21 F is a wireless bodypack or beltpack transmitter that is part of the Shure UHF-R wireless microphone system. It operates in the UHF frequency range and is designed to be used as a connector between a microphone or other audio source and a compatible UHF-R receiver.The "F" in the model number designates that the W21 F is a frequency-agile transmitter, meaning it can operate on one of several different programmable frequencies within its UHF band. This feature helps to reduce interference and congestion in crowded RF environments.The compact size and low-profile design of the W21 F make it ideal for use with lavalier, headset, or guitar microphones in a variety of applications, including live sound, theater, and broadcast radio. It can be powered by either alkaline or rechargeable AA batteries, providing up to 24 hours of run time on a single charge.Overall, the Shure W21 F is a reliable and versatile wireless transmitter that offers excellent audio performance, robust build quality, and flexibility in frequency selection.