The BPF-1958-250-C13 from COTS RF is a Band Pass Filter with Frequency 1833 to 2083 MHz, Bandwidth 250 MHz @ 3 dB, Center Frequency 1958 MHz, Rejection 30dB @ & MHz, VSWR 1.50:1. Tags: Module with Connectors. More details for BPF-1958-250-C13 can be seen below.