The RHPF23G04G12 from RF-Lambda is a RF High Pass Filter with Frequency 4 to 12 GHz, Insertion Loss 0.8 to 1 dB, Power 15 W, Rejection 50 to 55 dB, Lower Rejection 50 to 55 dB @DC to 3.4 GHz. Tags: Module with Connectors, Stripline, Suspended Substrate Filter. More details for RHPF23G04G12 can be seen below.