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REX3B

Zigbee module

Brand:REXENSE

Model:REX3B

Appearance size:20.4*14.8*1.8mm

Transmitting Power:20dBm

Receiving Sensitivity:<-104.5dBm

Communication Distance:1000m(line of sight range)

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Product description

1.Product Introduction

REX3B is a low-power ZigBee module with high sensitivity and compact indimension. Based on EFR32 platform of Silicon Labs, this module conforms toIEEE 802.15.4 specification and ZigBee3.0 protocol standard. It has been widely used in the filed of smart home, building automation and industrial monitoring. By utilizing this module, much time and energy will be saved during the development work. 


2.Application

REX3B module conforms to IEEE 802.15.4 specification and ZigBee3.0,supports the mesh network which is self-healing and self-assembling, optimizes the network rate and power consumption. This module supports the setting andconfiguration as below:

Standard ZigBee 3.0

BlueTooth SigMesh

Application of module, included but not limited to:

Smart home

Light control

Security system

Air quality monitoring

Smart lock

Motorized curtain

Air-conditioning, heating and ventilation

Scenario automation

Building automation and monitoring

HVAC monitoring and control

Industrial monitoring

Wireless meter reading


3.Main Characteristics

Dimension20.4*14.8*2.5mm

Max output power: 20dBm

Max receiving sensitivity: -102.5dBm(Zigbee) -97(BLE)

Max link budget: 122.5dBm

Reliable communication distance: 1000mview of sight distance

Multiple antenna options

Extreme low power consumption

Sleep mode<5.0µA

Receiving mode9.4mA(Zigbee) 8.8mA(Ble)

Transmitting mode186mA@20dBm 

15 GPIOs can be configured for various functional interfaces according to application

GPIO

External interrupts

12 bytes precision ADC sampling channel

USART Hardware flow control

TWI interface

UART / SPI / I2C interface

PWM output


4.Product Advantage

Small Package fits small devices well.

Advanced link budget in the industry

Outstanding battery longevity

Rich storage resource for various software application

Powerful mesh network management ability

With development kit easy to use and cost-effective

ISM band license free

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