The SY426-SF4SNF(DBK) from Sinclair Technologies is a Base Station Antenna with Frequency 890 to 960 MHz, Frequency Band 1 890 to 960 MHz, Gain 12.1 dBi, Vertical Beamwidth 45 Degrees, Horizontal Beamwidth 52 Degrees. Tags: Yagi. More details for SY426-SF4SNF(DBK) can be seen below.