| Compatible Brand | Universal |
|---|---|
| Brand | MFJ |
| Type | Filter |
| MPN | MFJ-784B |
| To Fit | Ham Radio Transceiver |
Check the listing for details. MFJ Tunable DSP Filter Model MFJ-784B. Condition: Used. Listed at 100.00 USD. Used, in working condition. From a ham radio enthusiast’s collection. The MFJ-784B is a powerful, Deluxe Tunable Digital Signal Processing (DSP) audio filter for amateur radio and shortwave listening, designed to cut through QRM/QRN by eliminating heterodynes, reducing noise and interference across many modes (SSB, CW, AM, Packet, RTTY, etc.). It features multiple tunable filters (Lowpass, Highpass, Bandpass, Notch), an automatic notch for QRM, adaptive noise reduction, and programmable presets, offering "brick wall" selectivity to make weak signals readable without ringing.