2AOE2REX3GT5812.4G Zigbee Module

- 1 - REX3GT581 Module Datasheet V2.0 - 2 - Copyright All copyrights on the content in this document remain the property of Zhejiang Rexense Technology Co., Ltd (hereinafter referred to as "Rexense" or "the Company"). Without the written permission of the Company, the content of this document shall not be disclosed to any third party other than the Company's employees, agents, partners or authorized licensors, and this document shall not be copied or disseminated in any form without authorization. If the user violates the copyright protection agreement, the Company has the right to pursue the legal responsibility arising from the user. Version Updates V1.0.0 V5.0.0 V5.0.1 20220401 20220622 20221011 Initial version Update Pin Definition Update RF Performance Parameter - 3 - Content 1. Product Overview ..................................................................................................................................... - 4 - 1.1 Introduction .............................................................................................................................................. - 4 - 1.2 Main Features ......................................................................................................................................... - 4 - 2. Module Interface ....................................................................................................................................... - 5 - 2.1 Packaging Information ........................................................................................................................... - 5 - 2.2 Pin Definition ........................................................................................................................................... - 6 - 3. Electrical/Physical Specifications ........................................................................................................... - 7 - 3.1 Electrical Specifications ......................................................................................................................... - 7 - 3.2 Current Specifications ............................................................................................................................ - 7 - 3.3 Processor Specifications ....................................................................................................................... - 7 - 3.4 Physical/Ambient Characteristics ......................................................................................................... - 7 - 4. Radio Frequency (RF) Performance ..................................................................................................... - 8 - 4.1 Basic RF Performance .......................................................................................................................... - 8 - 4.2 Receiving Performance ......................................................................................................................... - 8 - 5. Antenna Specification ............................................................................................................................... - 9 - 5.1 PCB Antenna ........................................................................................................................................... - 9 - 6. FCC Regulations ...................................................................................................................................... - 9 - - 4 - 1. Product Overview 1.1 Introduction REX3GT581 is a small-sized, high-sensitivity and low-power Zigbee module. Based on chip RT51, it provides a complete, high-performance, low-power and low-cost ZIGBEE wireless communication system, which complies with the IEEE802.15.4 specification and Zigbee 3.0 protocol standard. The module integrates 32-bit RISC MCU, Zigbee3.0 wireless communication, 64KB SRAM, 1024KB built-in Flash, 5-channel PWM, and a quadrature decoder (QDEC). REX3GT581 module conforms to FCC, IC, CE and RoHS regulations, and can be applied to devices under many different environments. The Company also provides a complete set of development and evaluation kits, and users can choose different versions of kits for testing and development according to their own needs. 1.2 Main Features  Dimension：17.3(L)* 15(W)* 2.8(H) mm (with shield)  Max Receiving Sensitivity: -99.5dBm  Reliable Communication Distance: 300m（outdoor view distance）  Multiple Antenna Options  Extreme Low Power Consumption:  Sleeping Mode：2.6μA  Receiving Mode：8.4mA  Transmitting Mode：10.8mA@10dBm  Frequency Deviation Range: ±10ppm  Rich Storage:  Flash: 1024K Byte  RAM: 64K Byte - 5 - 2. Module Interface 2.1 Packaging Information Dimension: 17.3mm(L)* 15mm(W)* 2.8mm(H) (with shield) Dimension Tolerance: length and width±0.25 mm; height±0.15mm Figure2-1 Dimensions Figure2-2 Packaging - 6 - 2.2 Pin Definition Figure2-3 Pin Configuration Module Pin NO. Pin Name Pin Specification 1 PC2 PWM, GPIO 2 PD2 PWM, GPIO 3 PD4 PWM, GPIO 4 PB4 PWM, GPIO 5 PB5 PWM, GPIO 6 GND GND 7 VCC 3.3V - 7 - 3. Electrical/Physical Specifications 3.1 Electrical Specifications Parameter Min Max Module Input Voltage (VCC) 1.8V 3.6V Pin Voltage (except ADC pin) -0.3V VDD_PADS+0.3 ADC Pin Voltage -3.3V VCC+0.3V Chip I/O Drive Current 2mA 16 mA 3.2 Current Specifications Parameter Average Max Unit Receiving Current 8.4 8.5 mA Transmitting Current（@10dBm） 10.8 10.9 mA Sleeping Current 2.6 - μA 3.3 Processor Specifications Parameter Value Unit On-Chip Flash Storage 1024K bytes On-Chip RAM Storage 64K 32K (SRAM Retention) + 32K (Without SRAM Retention) bytes Working Frequency 48 MHz 3.4 Physical/Ambient Characteristics Parameter Value Note Physical Size 17.3mm*15mm*2.8mm (with shield) Weight <1g Working Temperature -40°C to +105°C（default） Relative Working Humidity <95% - 8 - 4. Radio Frequency (RF) Performance 4.1 Basic RF Performance Parameter Range Unit Working Frequency 2400~2483.5 MHz Quantity of Channels 16 Number of Channels 0…

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Photographs of EUT Report No.: EP2O2812 Brand Name: REXENSE; Model Name: REX3GT581 Sporton International Inc. (Kunshan) Page Number : 1 of 5 TEL : 86-0512-5790-0158 Report Issued Date : Dec. 13, 2022 FAX : 86-0512-5790-0958 Report Version : Rev. 01 FCC ID : 2AOE2REX3GT581 720510 1. External Photograph of EUT Photographs of EUT Report No.: EP2O2812 Brand Name: REXENSE; Model Name: REX3GT581 Sporton International Inc. (Kunshan) Page Number : 2 of 5 TEL : 86-0512-5790-0158 Report Issued Date : Dec. 13, 2022 FAX : 86-0512-5790-0958 Report Version : Rev. 01 FCC ID : 2AOE2REX3GT581

8.Instrumentoftest Equipmentcalibrationstatus:ok 9.MicrowaveanechoicchamberMethodofmeasurement:instrument anddarkroom

Sporton International Inc. (Kunshan) Page Number : E1 of E2 TEL : +86-512-57900158 FAX : +86-512-57900958 FCC ID: 2AOE2REX3GT581 FCC RF Test Report Report No. : FR2O2812 Appendix E. Setup Photographs <Conducted Emission> Remote View Rear View Sporton International Inc. (Kunshan) Page Number : E2 of E2 TEL : +86-512-57900158 FAX : +86-512-57900958 FCC ID: 2AOE2REX3GT581 FCC RF Test Report Report No. : FR2O2812 <Radiated Emission> X Plane LF HF