The µFILTER SF-869.69 from NuWaves RF Solutions is a Band Pass Filter with Frequency 868.69 to 870.69 MHz, Bandwidth 2 MHz (3 dB Bandwidth), 4.1 MHz (20 dB Bandwidth), Center Frequency 869.69 MHz, Insertion Loss 2.8 to 4.3 dB, VSWR Input 1.75:1, 2.00:1. Tags: Module with Connectors. More details for µFILTER SF-869.69 can be seen below.