The 01S1119-00 from Waka Manufacturing is a Band Pass Filter with Frequency 26.5 to 28.5 GHz, Bandwidth 2000 MHz, Center Frequency 27.5 GHz, Insertion Loss 5 dB, Rejection -30 dB @ 21 to 24 GHz. Tags: Module with Connectors. More details for 01S1119-00 can be seen below.