Narrow Band SDR with 3 types of Roofing Filters.The Narrow band SDR receiver emphasizes excellent receiver performance, while the Direct Sampling SDR provides a Digital Processing Real-Time Spectrum Scope. The new FTDX10 utilizes Yaesus Renowned Hybrid SDR configuration just like the FTDX101 Series. Ranked #3 On Sherwood Engineerings List Of Top Performing Receivers