The XHF-912-D+ from Mini Circuits is a RF High Pass Filter with Frequency 9.1 to 40 GHz, Insertion Loss 1.5 to 1.6 dB, Power 1.26 W, Rejection 8.6 to 20.5 dB, Lower Rejection 8.6 to 20.5 dB @ DC to 7300 MHz. Tags: Die, Reflectionless Filter. More details for XHF-912-D+ can be seen below.