The TLBF-19G-21G-E from Talent Microwave Inc is a Band Pass Filter with Frequency 19000 to 21000 MHz, Bandwidth 3 GHz, Center Frequency 20000 MHz, Insertion Loss 1.5 dB, Upper Rejection [email protected]. Tags: Module with Connectors. More details for TLBF-19G-21G-E can be seen below.