The Sennheiser A 2003-UHF Wide-Band Directional Antenna enhances transmission and reception for wireless microphone and monitoring systems; such as the Sennheiser SR 300, SR 3054, SR 3056, IEM transmitters, Evolution wireless, 3000 and 5000 series wireless, and the EM-1031U monitoring system.

The antenna features directional reception and transmission over wide band 450 – 960MHz UHF frequencies. The antenna is lightweight, easily installs onto a microphone stand and features a standard BNC connection jack.