The RHPF23G01G04 from RF-Lambda is a RF High Pass Filter with Frequency 1 to 4 GHz, Insertion Loss 0.8 to 1.2 dB, Power 15 W, Rejection 50 to 53 dB, Lower Rejection 50 to 53 dB @DC to 0.8 GHz. Tags: Module with Connectors, Stripline, Suspended Substrate Filter. More details for RHPF23G01G04 can be seen below.