Microwave Circuits, Inc. BRF6 band reject (notch) filter.
Part No: N0409436
Serial No: 179046
Date Code: 0645
Connectors: SMA female, both ports
Tested on a network analyzer (screenshot included) — sweep from 300 kHz to
1.5 GHz shows a clean flat passband with a sharp rejection notch centered
around 937-953 MHz, reaching -50 to -60 dB rejection. Outside the notch,
insertion loss is near 0 dB across the swept range.
Housing shows light cosmetic wear consistent with pulled/used T&M equipment,
fully functional. Sold as-is, tested working per attached VNA plot.




