As of today, I recently acquired the SUNSDR2DX, and both DX10 and SUNSDR are now available. Previously, I was concerned that the SUNSDR's spectrum display would not be as good, but after using it, I found that it is indeed excellent. The spectrum display effect is much better than expected; not only can you enjoy a large screen, but the higher resolution also allows for very clear display of weak signals. This is a significant advantage over traditional radio receivers, which can be difficult to use for detecting weak signals. The wide spectrum range and the presence of background noise on the screen make it even harder to distinguish between signals. However, from the perspective of the filter, the SUNSDR does have some limitations. Furthermore, the SUNSDR lacks a built-in antenna tuner, making it very sensitive to standing wave ratios and common mode interference. If the antenna is not properly tuned, it can easily be affected, leading to device restarts.
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