The ZABP-598-S+ from Mini Circuits is a Band Pass Filter with Frequency 410 to 785 MHz, Center Frequency 598 MHz, Insertion Loss 2.7 to 4.5 dB, Upper Rejection 20 to 46 dB, Lower Rejection 20 to 34 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ZABP-598-S+ can be seen below.