The SG238-HF1SNF from Sinclair Technologies is a Base Station Antenna with Frequency 118 to 138 MHz, Frequency Band 1 118 to 138 MHz, Gain 2.1 dBi, Vertical Beamwidth 71 Degrees, Horizontal Beamwidth 360 Degree. More details for SG238-HF1SNF can be seen below.