The XHF-392-D+ from Mini Circuits is a RF High Pass Filter with Frequency 3940 to 11500 MHz, Insertion Loss 1.3 dB, Power 2 W, Rejection 14 dB, Lower Rejection 14 dB @ DC to 2450 MHz. Tags: Die, Reflectionless Filter. More details for XHF-392-D+ can be seen below.