1. State-of-art Em35x ZigBee chip adopted 2. Industry-leading 32-bit Cortex-M3 processor 3. Stable ZigBee Pro Protocol 1. Introduction

Rexense Ultra-Compact ZigBee Module is a type of surface mounted module that enables users to implement ZigBee/IEEE 802.15.4 compliant solution which satisfies the needs of low-cost, low-power wireless sensor networks. The module is easy-to-use, saves board space and offers reliable delivery of data between devices.

Rexense Ultra-Compact ZigBee Module operates within the ISM 2.4GHz frequency band. The module’s default configuration supports a wide range of data system applications. The module is embedded with 32-bit wireless microcontroller to offer a wide variety of solutions.

2. Product Features

State-of-art ZigBee chip adopted

Industry-leading 32-bit ARM® CortexTM-M3 processor

Stable and reliable ZigBee protocol stack embedded

Easy to implement ZigBee technology integration for hardware equipment manufacturers

Wide communication range and high network reliability

3. Specifications

Table 3-01: Specifications of Ultra-Compact ZigBee Module (SMD)

Model Name	REX3U
Product	Ultra-Compact ZigBee Module (SMD)
Basic Specification
Operating Frequency Band	ISM 2.4GHz
Operating Temperature	-40 ~ 85°C
Antenna Interface	U.FL Jack ; Silvered Antenna
Dimensions (L*W*H)	18.00*15.00*2.60mm
RF Features
Maximum Transmit Range	150m (PCB Antenna) 200m (SMA Antenna)
Maximum Transmit Power Output	7dBm
RF Data Rate	250kbps
Serial Data Rate (software selectable)	1200-230400 bps
RX Sensitivity (1% packet error rate)	-99 dBm
Electrical Features
Supply Voltage	3.3±0.3V
Operating Current(Transmit)	43mA@7dBm
Operating Current(Receive)	29mA
Power-down Current	0.4μA
Interface Features
24 GPIO ports; 4 interrupt ports; 1 serial ports UART supported; 1 SPI and I2C supported; 6x12 bits A/D ports.
Network Features
Supported Network Topologies	Star; Tree; Mesh
Number of Channels (software selectable)	16 Direct Sequence Channels

4. Product Pictures

REX3U51 REX3U51 (with Antenna Kit)

5. Pin Description

6. Outline Drawings7. Ordering Information

Example:

Model	Name	Description
REX3DP3264	Enhanced ZigBee Module (DIP)	With separated shielding case; U.FL Jack; STM32W64 ZigBee chip
REX3S2261	Standard ZigBee Module (SMD)	With integrated shielding case; U.FL Jack; STM32W61 ZigBee chip

 

Em351 Ultra Compact 2.4GHz ZigBee Wireless Module (1mW, SMD), ZigBee Pro, Line of Sight up to 300m