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Human Sensor FAQ

Simple Selection Guide

1U, 1W, 1M(S), and 2A, how to choose these models?

We call the 1 series Gen1 and 2A. The Gen1 is a radar based on the LD2410 module, and the 2A is a radar based on the LD2450.
There are other differences between the Gen1 series, mainly in the implementation of the MCU, as well as the appearance of the different: 1W is the largest volume, 1U volume is in the middle, 1M (S) is the smallest product.
In terms of static detection: the LD2450(2A) is capable of target localization, but does not have static detection. This means that if the target's movement is very small, such as sitting on a sofa watching TV or sitting on a stool without moving, the target may disappear. The LD2410 (Gen1, 1U, 1W, 1MS, etc.) has a static detection range of up to about 2M.
In terms of detection, the LD2410 (Gen1, 1U, 1W, 1MS, etc.) can only recognize Y-axis energy fields, which are subdivided into user-specific settings by dividing them into 8 detection gates to precisely set the sensitivity of each one (including the possibility to set it to 100 to close this threshold), which makes it very flexible and requires a little bit of finesse to adjust it better. The LD2450 (2A) has X and Y targeting capabilities, but due to the lack of static detection, it is suitable as a moving target tracking radar.