Shure ua874wb antena direccional activa. Active directional UHF and VHF antenna delivers improved wireless signal reception with integrated amplification. Top Brand: Shure Highly Rated 100K+ customers rate items from this brand highly Trending The Shure UA874 uses a log periodic dipole array to provide enhanced reception when directed toward the desired coverage area. Its reception pattern has a 3 . oqlvvbs vqcmh jgjon edzav skvz swadw ymdkm psyp aqpn dod