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AT58LP1T1RD (AT5815)

Ultra-low power consumption (40–115 µA), direct output of control signals, ideal for battery-powered products with high power-consumption requirements.

5.8GHz series chips

AT58LP1T1RD (AT5815)

Product Features

Operating in the 5.8 GHz ± 75 MHz frequency band, this ultra-low-power (40–68 µA) fully integrated microwave sensor chip features an ultra-low-power architecture. The chip integrates a signal processor internally, enabling it to directly output sensing control signals. With just a few external components, it can easily form a complete microwave sensing sensor. This chip meets the ultra-low-power requirements of battery-powered applications and represents one of the top choices for upgrading and replacing traditional infrared pyroelectric sensors.

Application scenarios

• Smart Lighting
• Security & Surveillance
• Smart Healthcare & Wellness
• Home Appliances & Electronics
• Bathroom

Product Specifications

Product Specifications


Basic InformationFrequency range: 5.725–5.875 GHz 
Modulation mode: CW 
Channel count: 1T1R
RF parametersTransmit power: -4 dBm @ Typical 
Noise figure: 11 dB
Signal ProcessingMid-frequency bandwidth: 42 Hz
Application SystemCPU: Algorithm hardening
InterfaceI2C: x1 
GPO: x1
AntennaOnboard
Power supplyVoltage range: 2.5–4.8V 
Current: Peak ~9mA, Avg: 40μA ~115μA (adjustable) 
Ultra-low power consumption: Yes
OtherPackage: QFN20 3x3mm 
Operating temperature range: -30 ~ +85℃ 
Certifications met: FCC, CE, SRRC, and others

Module Reference Design


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Module model

Module image

Module size

Sensor model

Operating frequency band

Modulation method

EIRP

RF channel

Supply voltage

Operating current

Output interface

Installation method

Detection angle

Detection range

Implement functionality

Application scenarios

5.8G Module AT58L4LD-2020

20mm × 20mm

AT5815 (AT58LP1T1RD)

5.8GHz (5.725–5.875GHz)

CW

Maximum -2dBm

1T1R

2.7V–4.8V

As low as around 40uA, with adjustable operating current.

IF/GPIO

Straight-line installation, wall-mounted installation

Horizontal ±60° × Vertical ±60°

Straight line 6–8 m, hanging height 3 m, radius 3–4 m.

Motion sensing

Door locks, battery-powered products, vanity lights, etc.

5.8G Module AT58L4LD-1616

16mm × 16mm

AT5815 (AT58LP1T1RD)

5.8GHz (5.725–5.875GHz)

CW

Maximum -2dBm

1T1R

2.7V–4.8V

As low as around 40uA, with adjustable operating current.

IF/GPIO

Straight-line installation, wall-mounted installation

Horizontal ±60° × Vertical ±60°

Straight line 6–8 m, hanging height 3 m, radius 3–4 m.

Motion sensing

Door locks, battery-powered products, vanity lights, etc.

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