The Yaesu YF-122SN Narrow SSB Filter, also called part YF-119SN or XF-119SN, is commonly used in radios like the FT-817, FT-857, and FT-897. This filter is designed to enhance these radios’ Single Sideband (SSB) performance by narrowing the bandwidth, allowing for clearer reception of SSB signals. Users often opt for this filter to improve the selectivity and reduce interference in their transmissions.

The YF-122SN filter is popular among radio enthusiasts seeking to upgrade their FT-817, FT-857, or FT-897 radios. By incorporating this narrow SSB filter, users can experience improved signal clarity and reduced noise during SSB transmissions. Its compatibility with multiple Yaesu radio models makes it a versatile and sought-after accessory for enhancing its radio communication experience.

Overall, the Yaesu YF-122SN Narrow SSB Filter is a valuable addition to the FT-817, FT-857, and FT-897 radios, allowing users to fine-tune their SSB reception. Whether used for amateur radio operations, emergency communications, or other purposes, this filter is crucial in optimizing the performance of these popular Yaesu radio models.