The SD210-SF6P4SNM from Sinclair Technologies is a Base Station Antenna with Frequency 270 to 300 MHz, Frequency Band 1 270 to 300 MHz, Gain 4.6 dBi, Vertical Beamwidth 68 Degrees, Horizontal Beamwidth 210 Degrees. Tags: Dipole. More details for SD210-SF6P4SNM can be seen below.