The XHF-721M+ from Mini Circuits is a RF High Pass Filter with Frequency 700 to 5000 MHz, Insertion Loss 0.7 to 2.3 dB, Power 1.58 W, Rejection 17 to 35 dB, Lower Rejection 17 to 35 dB @ DC to 450 MHz. Tags: Surface Mount, Reflectionless Filter. More details for XHF-721M+ can be seen below.