The 9BX6-219-X6N11 from Reactel is a Band Pass Filter with Frequency 216 to 222 MHz, Bandwidth 6 MHz, Center Frequency 219 MHz, Insertion Loss 0.7 dB @ Passband, VSWR 1.35:1. Tags: Module with Connectors. More details for 9BX6-219-X6N11 can be seen below.