The PE51YA1017 from Pasternack Enterprises Inc is a Base Station Antenna with Frequency 880 to 938 MHz / 928 to 960 MHz, Frequency Band 1 880 to 928 MHz, Frequency Band 2 928 to 960 MHz, Gain 11 to 11.5 dBi, Vertical Beamwidth 42 to 45 Degrees. Tags: Yagi. More details for PE51YA1017 can be seen below.