-1- Data Sheet of ZigBee Module REX3B V5.
-2Copyright The information contained in this document is the proprietary information of Zhejiang Rexense IoT Technology Co., Ltd. (hereinafter referred to as Rexense or the company). All rights reserved. Without the written permission of the company, the content of the document shall not be disclosed to the company's employees, agents, partners or any unauthorized parties in any form without authorization, copying or dissemination of this document is prohibited.
-3- Content 1. Product Introduction ................................................................................................................................. - 4 1.1 Introduction .............................................................................................................................................. - 4 1.2 Application ............................................................................................................................................... - 4 1.
-4- 1. Product Introduction 1.1 Introduction REX3B is a low-power ZigBee module with high sensitivity and compact in dimension. Based on EFR32 platform of SiliconLabs, this module conforms to IEEE 802.15.4 specification and ZigBee3.0 protocol standard. It has been widely used in applications of smart home, building automation and industrial monitoring. By utilizing this module, much time and energy will be saved during the development work. 1.2 Application REX3B module conforms to IEEE 802.15.
-5- 1.3 Main Characteristics Dimension：20.4*14.8*2.4mm Max output power: -0.59dBm Max receiving sensitivity: -102.5dBm(Zigbee) Multiple antenna options Extreme low power consumption Sleep mode：<5.0µA Receiving mode：9.
-6IEEE Institute of Electrical and Electronics Engineers ISM Industrial, Scientific and Medical radio band JTAG Digital interface for debugging of embedded device, also known as IEEE 1149.
-7- 2. Product Overview 2.1 Overview REX3B is a compact IOT module, higher sensitivity and lower power. It conforms to IEEE 802.15.4 and ZigBee 3.0 standard protocol. This module has outstanding RF characteristics, lower power consumption, and powerful processor core. REX3B module conforms to the FCC, IC, CE, and RoHS, which can be applied to various devices in different environments.
-8- 3. Technical Specification 3.1. Electrical Specification 3.1.1. Electrical Specification Table 3-1. Absolute Maximum Ratings Parameter Min Max Module input voltage（VCC） 1.71V 3.8V Pin voltage (except ADC pin) -0.3V VDD_PADS+0.3 0V 3.3V ADC Pin voltage 50 mA Data of maximum drive current of all I/Os +10 dBm Maximum RF signal receiving density of chips Note: exceeding the absolute maximum ratings may damage module.
-9- 3.1.3. RF Electrical Characteristics Table 3-3. RF Electrical Characteristics Parameter Range Unit MHz Frequency range 2405~2480 Quantity of Channels 16 Channel spacing 5 MHz Receiving sensitivity -102.5 dBm Max transmitting rate 250 kbps Rated Input / Output Impedance 50 Ω 3.1.4. Processor Characteristics Table 3-4. Processor Characteristics Parameter 32bit ARM®-M33 Processor core 80MHz Max operating frequency 3.1.5. Module Interface Characteristics Table 3-5.
- 10 - 3.2. Physical/Ambient Characteristics Table 3-6. Physical/Ambient Characteristics Parameter Physical size Value 20.4*14.8*2.4mm <1g Weight Working temperature Relative working Humidity -40°C to +85°C（default） <95% 3.3. Pin Configuration Dimension tolerance: length and width ± 0.25 mm thick ± 10%； Figure3-1.
- 11 - Figure3-2. Footprint Figure 3-3.
- 12 - Table 3-7. Pin Description No. of module pins No. of QFN32 package Pin signal Direction Pin specification pins 1 1 PC0 I/O GPIO 2 2 PC1 I/O GPIO 3 22 PA5 I/O GPIO;TXD 4 23 PA6 I/O GPIO;RXD 3.
- 13 - No. of module pins No. of QFN32 package Pin signal Direction Pin specification pins 8 31 PD1 I/O GPIO 9 30 PD2 I/O GPIO 10 21 PA4 I/O GPIO 11 20 PA3 I/O GPIO 12 17 PA0 I/O GPIO 13 15 PB1 I/O GPIO 14 5 PC4 I/O GPIO 15 18 PA1 IO GPIO; SWCLK 16 6 PC5 IO GPIO 17 19 PA2 IO GPIO; SWDIO 18 11，0 GND I GND 19 9 RESET I RESET 3.4 Antenna Specification 3.4.1 On Board PCB Antenna REX3B has an on board PCB antenna.
- 14 Do not cover the PCB antenna with metal shell Components, traces, copper allowed No components around, or traces or copper at bottom. Preferred is hollow on top or at bottom of PCB antenna. Figure 3-4.
- 15 - 3.6. Soldering Temperature for Module The max temperature for soldering module shall be within 237-245℃ in 20s.
- 16- 3.7.
- 17 - 4. Ordering Information Manufacturer REX=REXENSE Series 3=Zigbee and Bluetooth Packaging Type M = Mini B = On board PCB antenna (This) P = Full GPIO Pin Core Antenna B = PCB Antenna(No IPEX connector) U=U.
- 18 - 5. Contact Us Zhejiang Rexense IoT Technology Co., Ltd. Add：Room 601, Buidling 4, No. 6 longzhou Road, cangqian street, yuhang district, Hangzhou city, zhejiang province, China. Tel：+86-571-28081053 Email: intl@rexense.com Web：www.rexense.
- 19 - OEM/Integrators Installation Manual List of applicable FCC rules This module has been tested and found to comply with part 15.247 requirements for Modular Approval. Summarize the specific operational use conditions This module can be applied in household electrical appliances as well as TV and IP camera. The input voltage to the module should be nominally 2.97‐3.63 VDC ,typical value 3.3VDC and the ambient temperature of the module should not exceed 85℃.
- 20 - Additional testing, Part 15 Subpart B disclaimer The final host / module combination need to be evaluated against the FCC Part 15B criteria for unintentional radiators in order to be properly authorized for operation as a Part15 digital device.
- 21 Le rayonnement de la classe b repecte ISED fixaient un environnement non contrôlés.Lanceurs ou ne peuvent pas coexister cette antenne ou capteurs avec d’autres. IC Label Instructions: The outside of final products that contains this module device must display a label referring to the enclosed module. This exterior label can use wording such as: “Contains Transmitter Module IC: 22670‐REX3BX”,or “Contains IC: 22670‐REX3BX”. Any similar wording that expresses the same meaning may be used.
