The CF-04090029 from Filtronetics is a Band Pass Filter with Frequency 408.5 to 410.5 MHz, Bandwidth 2 MHz, Center Frequency 409.5 MHz, Insertion Loss 14.5 dB, Rejection 35 to 60 dBc. Tags: Surface Mount, Ceramic Filter, Dielectric Filter. More details for CF-04090029 can be seen below.