The SP2-2.1 from Radio Waves is a Base Station Antenna with Frequency 1.9 to 2.3 GHz, Frequency Band 1 1.9 to 2.3 GHz, Gain 19.6 to 21.3 dBi, Vertical Beamwidth 13.7 Degree, Horizontal Beamwidth 13.7 Degree. Tags: Parabolic. More details for SP2-2.1 can be seen below.