The µFILTER SF-868.39 from NuWaves RF Solutions is a Band Pass Filter with Frequency 867.49 to 869.29 MHz, Bandwidth 1.8 MHz (3 dB Bandwidth), 3.95 MHz (20 dB Bandwidth), Center Frequency 868.39 MHz, Insertion Loss 2.7 to 4.2 dB, VSWR Input 1.75:1, 2.00:1. Tags: Module with Connectors. More details for µFILTER SF-868.39 can be seen below.