|300 Hz 455 kHz CW 7-pole Collins filter
Note: bandwidth is measured by the manufacturer at -3 dB; we measured shape factor at -60/-6 dB.
Collins mechanical filters are now discontinued. We have limited inventory of the #712 300 Hz filter left, all #705 500 Hz filters have been sold. Once our inventory is gone, we will discontinue offering this item. There is no drop-in replacement available.