The 4BJ10-14305/U12-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 14295 to 14315 MHz, Bandwidth 20 MHz (1dB), Center Frequency 14305 MHz, Upper Rejection 40 dB, Lower Rejection 40 dB. Tags: Cavity Filter. More details for 4BJ10-14305/U12-O/O can be seen below.