The UF9927R from MtronPTI is a Band Pass Filter with Frequency 1.616 to 1.6265 GHz, Bandwidth 10 MHz, Center Frequency 1616 MHz, Insertion Loss 2 to 2.8 dB, Rejection 20 to 45 dB. Tags: Module with Connectors, Cavity Filter. More details for UF9927R can be seen below.