The SC225M-HF6SNM from Sinclair Technologies is a Base Station Antenna with Frequency 150 to 160 MHz, Frequency Band 1 150 to 160 MHz, Gain 2.1 dBi, Vertical Beamwidth 80 Degrees, Horizontal Beamwidth 360 Degrees. Tags: Collinear. More details for SC225M-HF6SNM can be seen below.