The SY3072-SF9SNM(ABK) from Sinclair Technologies is a Base Station Antenna with Frequency 440 to 460 MHz, Frequency Band 1 440 to 460 MHz, Gain 14.6 dBi, Vertical Beamwidth 20 Degrees, Horizontal Beamwidth 55 Degree. Tags: Yagi, Array. More details for SY3072-SF9SNM(ABK) can be seen below.