The VBFZ-3590-S+ from Mini Circuits is a Band Pass Filter with Frequency 3000 to 4300 MHz, Center Frequency 3590 MHz, Insertion Loss 2.4 dB, Power 7 W, Return Loss 9 to 18 dB. Tags: Module with Connectors, Lumped Component Filter. More details for VBFZ-3590-S+ can be seen below.