After extensive research and development, the UA874V Active Directional Antenna (174 - 216MHz) emerges as a top-tier choice for enhancing the performance of your VHF wireless receivers and VHF antenna distribution systems. This high-quality antenna is fully compatible with all VHF Shure wireless receivers and VHF antenna distribution systems that provide a 12V DC bias, ensuring seamless integration into your existing setup.The UA874V Active Directional Antenna is not just a passive device; it can also be powered by the UABIAST, an in-line adapter that supplies 12V DC bias power over coaxial BNC cable. This feature allows for greater flexibility and convenience in your audio and video setups, making it an ideal choice for both professional and amateur users.Designed to operate within the 174 - 216MHz frequency range, this antenna ensures optimal signal reception and transmission, contributing to superior audio and video quality. Whether you're setting up for a live event, a studio recording, or a broadcast, the UA874V Active Directional Antenna is a reliable tool that can significantly enhance your wireless system's performance. In summary, the UA874V Active Directional Antenna (174 - 216MHz) is a versatile and high-performing addition to any VHF wireless receiver or VHF antenna distribution system, offering compatibility, power options, and superior frequency range for optimal performance.