Data Sheet

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802.15.4/Zigbee Module Datasheet

REX3B

V2.0.3

Summary of content (20 pages)

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- 0- 802.15.4/Zigbee Module Datasheet REX3B V2.0.
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- 1- Contents 1. Product Description .................................................................................................................................................... - 2 1.1 Product Introduction ....................................................................................................................................... - 2 1.2 Product Applications ...................................................................................................................................
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- 2- 1. Product Description 1.1 Product Introduction REX3B is a small, high-sensitivity low-power Zig Bee module.Based on the latest EFR32 platform fro m Silabs, the module complies with the IEEE 802.15.4 specification and the ZigBee 3.0 protocol standard. It has been widely used in smart home, build ing automation, industrial monitoring and other fields.Using this module saves a lot of time effort and cost for the user's development. 1.2 Product Applications The REX3B module complies with the IEEE 802.
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- 3 HVAC monitoring and control  Inventory Management  Smart Agriculture  Industrial Monitoring  Smart Traffic  Automatical Meter Reading FCC ID: 2AOE23BV3 Host labeling requirement: Contains FCC ID：2AOE23BV3 The single-modular transmitter is a self-contained, physically delineated, component for which compliance can be demonstrated independent of the host operating conditions, and which complies with all eight requirements. This device complies with part 15 of the FCC Rules.
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- 4- 1.3 Main Features  Dimension：20.4*14.8*1.8mm  Output Power: Up to 19.5dBm  High receiver sensitivity: up to -100dBm  Excellent link budget: up to 119.5dBm  Reliable communication range: 2000m (view of sight distance)  A variety of antenna options  Extremely low power consumption   Sleep Mode: <2.
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- 5- 1.5 Name Abbreviations ADC Analog-to -Digital Converter GPIO General Purpose Input/Output HVAC Heating, Ventilating and Air Conditioning TWI Inter-Integrated Circuit IEEE 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.
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- 6- 2. Product Description 2.1 Description REX3B is a compact, high-sensitivity low-power ZigBee module that complies with the IEEE 802.15.4 specification and the ZigBee 3.0 protocol standard. Based on the latest EFR32 platform from US Silabs, it has extremely excellent RF performance, extremely low power consumption, powerful processor and abundant on-chip resources, and it is very easy for user integration. Figure 2-1. Chart XTAL (Crystal Frequency 38.
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- 7- 3. Technical Specifications 3.1. Electrical Character 3.1.1. Electrical Character Table 3-1. Absolute maximum rated parameter Parameter Min. Max. Module supply voltage range（VCC） 1.85V 3.8V Pin Operating Voltage Range (Except ADC Pin) -0.3V VDD_PADS+0.3 ADC pin operating voltage range -0.3V 2.1V All I/O maximum drive current data of the chip 50 mA The maximum received RF signal strength of the chip +10 dBm Note: Exceeding the absolute maximum rating may damage the module.
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- 8- 3.1.3. Radio Frequency Character Table 3-3. RF Character Parameter Test Condition Range Unit Working Frequency 2400~2483.5 Bands Number 16 Channel Number 0B~1A Hex Channel Spacing 5 MHz Transmit Power -9 to +19.5 dBm Receiver Sensitivity（90%） -98 to -100 dBm Max. Transmission Rate 250 kbps 50 Ω Rated Input/Output Impedance For unbalanced output MHz 3.1.4. Processor Features Table 3-4.
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- 9- 3.2. Physical/Environmental Character Table 3-6. Physical/Environmental Character Parameter Value Dimension 20.4*14.8*1.8mm Weight <1g Working Temperature -40°C to +85°C（default） -40°C to +115°C（Industrial grade） Relative Humidity 3.3. Pin Configuration Figure 3-7.
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- 10 - Figure 3-8.Product Package Figure 3-9.
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- 11 - Table 3-10. Pin Description Module pin number QFN32P ackage pin number 1 23 PB14 I/O GPIO 2 24 PB15 I/O GPIO 3 17 PA0 I/O GPIO;TXD 4 18 PA1 I/O GPIO;RXD 5 5,22,28, 30 3.
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- 12 - 3.4 Antenna Specification Multiple antenna interfaces have been integrated on the REX3B module. As shown below 3.4.1 PCB Antenna Figure 4-1. PCB Antenna PCB Antenna When using the PCB antenna output, note the following points: 1. Avoid placing the module inside a metal enclosure. 2. Avoid placing metal objects close to the PCB antenna (at least 1cm away, it is recommended to be 2.7cm or more). 3. Do not place the module next to devices emitting electromagnetic radiation, such as transformers.
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- 13 - 3.4.
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- 14 - Figure 4-6 VSWR Figure 4-7 3D gain pattern Peak Gain(dBi) The peak gain 1.
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- 15 - Figure 4-8 E ,h plan
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- 16 - 3.5. RF Performance Test Results Figure 5-1. Receiver Sensitivity Figure 5-2.
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- 17 Figure 5-3.
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- 18 - 4. 订购信息制造商 Manufacturer RE X REX=REXENSE 3 B 系列 Series 3=Zigbee 系列封装类型 Packaging Type M=MINI zigbee 模块 B =照明领域模块（默认） Module for Smart Light(default) P =EFR32 超小模块 Ultra-small Module 芯片型号 011= EFR32MG1B232F256 012= EFR32MG1B232F256（默认） 136= EFR32MG13P632F512 137= EFR32MG13P732F512 天线 B=PCB 天线，不带 IPEX 座（默认）No IPEX Basement(Default) U=U.
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- 19 - 5. Contact Us Zhejiang Raying IoT Technology Co., Ltd. Add: 10F,North of Building No.10,Wellong Science & Technology Park, No.88 Jiangling Road,Binjiang District,Hangzhou,310051 China T: +86-571-85395623 F: +86-571-87987620 Email: intl@rexense.com Web: www.rexense.