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Related Manuals for Ebyte E28-2G4M12 Series
Summary of Contents for Ebyte E28-2G4M12 Series
- Page 1 E28-2G4M12XX User Manual SX1281 2.4GHz SPI SMD High Speed LoRa Module...
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Page 2: Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual Contents 1. Overview ........................................2 1.1 Brief introduction ....................................2 1.2 Features ....................................... 2 1.3 Application ......................................2 2.Specification and parameter ..................................3 2.1 Limit parameter ....................................3 2.2 Operating parameter ..................................3 3.Size and pin definition ....................................4 4.Basic operation .......................................6... -
Page 3: Overview
E28-2G4M12XX User Manual 1. Overview 1.1 Brief introduction E28-2G4M12S/SX is a 2.4GHz bluetooth module designed by Chengdu Ebyte,with long distance and ultra-low power consumption. E28-2G4M12S is small-sized SMD module(pin spacing 1.27mm),built-in PCB antenna and IPEX antenna. High precision 52MHz crystal is used. -
Page 4: Specification And Parameter
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual Wireless industrial-grade remote control； Health care products； Advanced Meter Reading Architecture(AMI)； Automotive industry applications. 2.Specification and parameter 2.1 Limit parameter Performance Main parameter Remark Min. Max. Voltage over 3.6V will cause permanent Power supply（V）... -
Page 5: Size And Pin Definition
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual FIFO 256Byte 256Byte Max length transmitted each time Crystal frequency 52MHz 52MHz LoRa LoRa Modulation GFSK Mode ，FLRC Mode，LoRa Mode (recommended) (recommended) Package Connector 1.27mm 1.27mm Communication 0-10Mbps interface Size 25* 14 mm 17.8* 15 mm... - Page 6 Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual E28-2G4M12SX Pin No Pin item Pin direction Pin application Power supply: 1.8~3.6V (Ceramic filter capacitor is advised to add) Ground, connecting to power supply reference ground MISO_TX Output SPI data output pin,can be used as UART transmitting pin...
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Page 7: Basic Operation
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual 4.Basic operation 4.1 Hardware design It is recommended to use a DC stabilized power supply. The power supply ripple factor is as small as possible, and the module needs to be reliably grounded.；... -
Page 8: Basic Application
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual used to obtain the interrupt status. However, it is recommended to use the external interrupt of the MCU. After SX1281 restores IDLE mode or configures sleep mode, it is recommended that the power configuration table ... -
Page 9: Module Is Easy To Damage
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual Power register was set incorrectly, air data rate is set as too high (the higher the air data rate, the shorter the distance). The power supply low voltage under room temperature is lower than 2.5V, the lower the voltage, the lower the ... -
Page 10: Reflow Soldering Curve
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual 7.2 Reflow soldering curve 8.E28 Series Test Frequency Communication Model No. Tx power (dBm) distance Package Size (Hz) interface (km) E28-2G4T12S SX1280 2.4G 12.5 17.5* 28.7 E28-2G4M27S SX1281 2.4G 15*26.5 E28-2G4M20S SX1281 2.4G... -
Page 11: Antenna Guidance
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual 9.Antenna guidance 9.1 Antenna recommendation The antenna is an important role in the communication process. A good antenna can largely improve the communication system. Therefore, we recommend some antennas for wireless modules with excellent performance and reasonable price. -
Page 12: Revision History
About us Technical support: support@cdebyte.com Documents and RF Setting download link: https://www.ru-ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Official hotline:028-61399028 Web: www.cdebyte.com Address: , Building B5, Mould Industrial Park, 199# Xiqu Ave, High-tech Zone, Chengdu, 611731, Sichuan, China... - Page 13 Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12XX User Manual Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.