The HF0BA1550A700 from KYOCERA AVX is a RF High Pass Filter with Frequency 1.55 to 3.13 GHz, Insertion Loss 0.82 to 1.2 dB, Power 2 W, Rejection 1.22 to 1.27 dB, VSWR 1.04:1. Tags: Surface Mount, Ceramic Filter. More details for HF0BA1550A700 can be seen below.