REX3B212-Wireless Module,Intelligent Gateway,Ecological Equipment

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Home Products Wireless Module REX3B212

REX3B212

Size: 20.4x14.8x2.5mm（With Shielding Cover）
Operating TEMP: -40°C to +85°C
Application: Gateway

REX3B212 is a compact and highly sensitive low-power Zigbee module that complies with the IEEE 802.15.4 specification and Zigbee 3.0 protocol standards. The module is equipped with built-in PA and integrates 96KB RAM, 1024KB Flash, 12-bit ADC, PWM, 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 4,500 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 compatibility

Rexense standard package
Switch platform pin to pin, higher compatibility

*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 -100.5dBm

Very Low Power Consumption

Sleep Mode: 6.5µA

Receiving Mode: 11.4mA

Transmitting mode: 158.0mA@20dBm

Frequency Offset Range: < ±10ppm@25℃

Large Storage Resources: 1024KB Flash, 96KB RAM
The 15 I/O interfaces can be configured as multiple functional interfaces according to user requirements

GPIO

External Interrupt Source

12-bit Precision ADC Sampling Channel

UART with hardware flow control

SPI/I²C Interface

PWM Output

Hardware Watchdog

Encapsulation information

Size: 20.4mm(L)x14.8mm(W)x2.5mm(H) (with Shielding Cover)

(Dimensional tolerance: length width ±0.25mm, height ±0.15mm)

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