The HF0BA1540A700 from KYOCERA AVX is a RF High Pass Filter with Frequency 1.54 to 3.19 GHz, Insertion Loss 0.81 to 1.2 dB, Power 2 W, Rejection 1.2 to 1.25 dB, VSWR 1.05:1. Tags: Surface Mount, Ceramic Filter. More details for HF0BA1540A700 can be seen below.