The JX-CF1-24G40G-9J from Chengdu Jingxin Microwave Technology is a Band Pass Filter with Frequency 24 to 40 GHz, Insertion Loss 1.5 dB, Lower Rejection 45 dB, Power 1 W, Return Loss 9.5 dB. Tags: Module with Connectors, Cavity Filter. More details for JX-CF1-24G40G-9J can be seen below.