There are tons of wideband controllers in the market now. People often ask: what makes your wideband controller better than others? In short: ALM is the OE equivalent while others are after-market products. First, ALM uses LSU4.9 or LSU ADV sensors, while most other widebands still use LSU4.2 sensors or just LSU4.9 sensors. For details

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This article was first written in 2009. Back then, the LSU4.9 sensor was still new. Most wideband controllers in the market only supported LSU4.2 sensors, and there were so many people doubting the advantages of LSU4.9 over LSU4.2. Now it is clear that the new technology IS better than the old. Should we say that

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