The ZXLF-K252H+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 2.5 GHz, Stopband Frequency 7 to 17 GHz, Insertion Loss 2.2 to 3.5 dB, Rejection 27 to 50 dB, Upper Rejection 27 to 50 dB @7000 to 17000 MHz. Tags: Module with Connector, Reflectionless Filter. More details for ZXLF-K252H+ can be seen below.