The SY206-SF11SNM(U-ABK) from Sinclair Technologies is a Base Station Antenna with Frequency 217 to 225 MHz, Frequency Band 1 217 to 225 MHz, Gain 11.6 dBi, Vertical Beamwidth 44 Degrees, Horizontal Beamwidth 54 Degrees. Tags: Yagi. More details for SY206-SF11SNM(U-ABK) can be seen below.