The ZXBF-K282+ from Mini Circuits is a Band Pass Filter with Frequency 2350 to 3150 MHz, Bandwidth 400 MHz, Center Frequency 2750 MHz, Insertion Loss 3.6 to 4.5 dB, Rejection 10 to 20 dB. Tags: Module with Connectors, Reflectionless Filter. More details for ZXBF-K282+ can be seen below.