The µFILTER SF-345.03 from NuWaves RF Solutions is a Band Pass Filter with Frequency 344.75 to 345.3 MHz, Bandwidth 0.55 MHz (3 dB Bandwidth), 1.6 MHz (20 dB Bandwidth), Center Frequency 345.03 MHz, Insertion Loss 2 to 3 dB, VSWR Input 1.75:1, 2.00:1. Tags: Module with Connectors. More details for µFILTER SF-345.03 can be seen below.