The EVD2-1800/017 from Chelton is a Base Station Antenna with Frequency 1.71 to 1.88 GHz, Frequency Band 1 1.71 to 1.88 GHz, Gain 2 dBi, Vertical Beamwidth 80 Degrees, Horizontal Beamwidth 360 Degree. More details for EVD2-1800/017 can be seen below.