Data Sheet

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OTA
Over-The-Air upgrade
PCB
Printed Circuit Board
PER
Package Error Ratio
PHY
Physical layer
RAM
Random Access Memory
RF
Radio Frequency
RTS/CTS
Request to Send/ Clear to Send
RX
Receiver
SMA
Surface Mount Assembly
SPI
Serial Peripheral Interface
SW
Software
TX
Transmitter
UART
Universal Asynchronous Receiver/Transmitter
USART
Universal Synchronous/Asynchronous Receiver/Transmitter
USB
Universal Serial Bus
ZDK
ZigBee Development Kit
ZigBeePRO
Wireless networking standards targeted at low-power applications
802.15.4
The IEEE 802.15.4-2003 standard applicable to low-rate wireless PAN
1.6 Related Documents
[1] ZigBee 3.0 – The Open, Global Standard for the Internet of Things December 2, 2014
2. Product Overview
2.1 Overview
REX3M is a compact, high sensitivity, low power ZigBee module, which conforms to the IEEE
802.15.4 standard and the ZigBee3.0 protocol standard. Raying based innovative RexBee
hardware platform, with excellent RF performance, very low power consumption, very easy to user
integration.
Figure 2-1 Product diagram
Cortex M4 Core
XTAL (Crystal Frequency 38.4MHz)