The 4MP-6500/T500-P/P from K&L Microwave is a Band Pass Filter with Frequency 6 to 18 GHz, Bandwidth 180 MHz, Center Frequency 6000 MHz, VSWR 1.50:1, Operating_Temperature -55 to 85 Degree C. Tags: Module with Connectors. More details for 4MP-6500/T500-P/P can be seen below.