日: 2026年4月15日

LNBの2つのタイプの理解：包括的なガイド

Are you struggling to choose the right Low-Noise Block Downconverter1? Picking the wrong one can lead to poor signals, wasted money, and an overly complex system. Let’s clarify your choice. The two main types of LNB are Universal LNBs2, which switch between multiple frequency bands and polarizations, and Single-Band LNBs3, designed for a specific frequency range. Your choice depends entirely on your specific satellite reception needs, not on which one has more features. Feature Universal LNB Single-Band LNB Primary Use Residential DTH (Direct-To-Home) Commercial / VSAT / Data Feeds Frequency Range Full Ku-Band (10.7 – 12.75 GHz) Fixed Range (e.g., 11.7 – 12.2 GHz) Switching Method 13/18V (Polarity) + 22kHz […]