User's Guide

AT S58-4020 5.8GHz Motion sensor
Version 1.1 3
ATS58-4020, ATS58-3220, ATS58-3020 User Guide
1. Description
ATS58-4020, ATS58-3220, ATS58-3020 is a high performance radar sensor operating in 5.8G
band, as compare with the traditional 5.8G radar module, the sensor seems quite simple because
of AT5810 which is a single-chip radar designed by Air Touch, the chip integrates 5.8G TRX and
IF amplifier to simplify radar design and improve the system performance. Antenna is another key
factor for radar system, the module integrates TX antenna and RX antenna in the same PCB whose
size the size is only 40mm*20mm. The sensor can be applied in many cases that need motion
detect such as smart home, IOT and intelligent lighting, it's the best choice for motion sensor light
T8.
2. Radar Sensor’s illustration
Figure 1 ATS58-4020, ATS58-3220, ATS58-3020 Radar Sensor’s facade
Photodiode(PTSMD0
21 0805
Received and transmited ANT
Sensitivity’s adjusting
Open circuit ：
normal
sensitivity
Switch mode position
Open circuit：test mode
Short circuit：common mode
Input and Output