The 4MP20-5060/60-GPO/PX from K&L Microwave is a Band Pass Filter with Frequency 5 to 5.12 GHz, Bandwidth 120 MHz, Center Frequency 60 MHz, Insertion Loss 4.0 dB, VSWR 1.50:1. Tags: Surface Mount, Cavity Filter. More details for 4MP20-5060/60-GPO/PX can be seen below.