The SR4CG-SF4P6LDF(D09-PIP) from Sinclair Technologies is a Base Station Antenna with Frequency 746 to 806 MHz, Frequency Band 1 746 to 806 MHz, Gain 18.1 dBi, Vertical Beamwidth 3.5 Degrees, Horizontal Beamwidth 140 Degrees. Tags: Collinear. More details for SR4CG-SF4P6LDF(D09-PIP) can be seen below.