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Home Products Wireless Module REX3PT581

REX3PT581

Size: 18.0x15.0x3.0mm（With Shielding Cover）
Operating TEMP: -40°C to +85°C
Application: Solar inverter, PV optimizer

REX3PT581 is a low-power Zigbee module with a compact appearance and high sensitivity; Complies with the IEEE802.15.4 specification and Zigbee 3.0 standard. The module has integrates 64KB RAM, 1024KB Flash, 14-bit ADC 6-channel PWM, a quadrature decoder (QDEC), and rich GPIO resources.

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Scheme advantages Main characteristics Encapsulation information

Scheme advantages

High performance

On-chip PA
Stable communication within a range of 1,000 meters in open space without interference¹
Excellent wall penetration ability
High reliability

Professional hardware design
Strict testing standards
Ensure the reliability of products in harsh environments
High expansibility

Rich GPIO resources
Meet different product requirements

*The data comes from Rexense's Lab, and the test environment is the riverside, without interference and without occlusion of the line of sight. Test method: The antenna of the module (sending end) and the antenna of the module (receiving end) face each other at 180° for sending and receiving packet communication, ensuring the maximum distance for 100% packet receiving rate.

Main characteristics

Output Power: up to 20dBm

High Receiving Sensitivity: up to -103.5dBm

Multiple antenna forms can be selected

Very Low Power Consumption

Sleep Mode: 2.7µA

Receiving Mode: 15.3mA

Transmitting mode: 144.5mA@20dBm

Frequency Offset Range: < ±10ppm@25℃

Large Storage Resources: 1024KB Flash, 64KB RAM
The 14 I/O interfaces can be configured as multiple functional interfaces according to user

GPIO

External Interrupt Source

14-bit Precision ADC Sampling Channel

UART with hardware flow control

SPI/I²C Interface

PWM Output

Hardware Watchdog

Encapsulation information

Size: 18.0mm (L)x15.0mm (W)x3.0mm(H) (with Shielding Cover)
(Dimensional tolerance: length width ±0.25mm, height ±0.15mm)

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