The MHP4_27G from MISOTECH is a RF High Pass Filter with Frequency 4 to 27 GHz, Insertion Loss 1.5 to 1.7 dB, Power 1 W, Rejection 20 to 20.6 dB, Lower Rejection 20 to 20.6 dB @2.7. Tags: Die, MMIC Filter. More details for MHP4_27G can be seen below.