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Chengdu Ebyte Electronic Technology Co.,Ltd

E78-900M22S1A user manual

Copyright ©2012–2019

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Chengdu Ebyte Electronic Technology Co.,Ltd

E78-900M22S1A

ASR6505 868/915MHz LoRaWAN RF Module

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Summary of Contents for E78-900M22S1A

Page 1: ...Chengdu Ebyte Electronic Technology Co Ltd E78 900M22S1A user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd E78 900M22S1A ASR6505 868 915MHz LoRaWAN RF Module...

Page 2: ...AMETERS 4 3 SIZE AND PIN DEFINITION 6 3 1 SIZE AND PIN DEFINITION 6 3 2 PIN DEFINITION 7 4 HARDWARE AND SOFTWARE GUIDE 8 4 PROGRAMMING DIAGRAM AND GUIDE 9 4 1 E78 900M22S1A BURNING INTERFACE 9 5 PRODU...

Page 3: ...ure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided as is and EBYTE assumes no liabili...

Page 4: ...e for LPWAN application chips The E78 series products are hardware platforms and cannot be used independently Users need to carry out secondary development We can customize standard LoRaWan and Ali li...

Page 5: ...g temperature 40 85 Industrial design Working frequency MHz 850 868 915 925 Support ISM frequency band Power Emission current mA 145 Instantaneous power consumption Receiving current mA 13 Sleep curre...

Page 6: ...ith communication protocols or developers have loaded some self developed protocols on the whole machine which may cause the receiving current of the test to be too large When the customer uses an ext...

Page 7: ...Chengdu Ebyte Electronic Technology Co Ltd E78 900M22S1A User Manual Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 6 3 Size and Pin definition 3 1 Size and Pin definition...

Page 8: ...18 GND Ground wire connected to the power reference ground 19 ANT Output Antenna interface stamp hole 50 ohm characteristic impedance 20 GND Ground wire connected to the power reference ground 21 GND...

Page 9: ...m value it will cause permanent damage to the module Please check the stability of the power supply and the voltage should not fluctuate greatly and frequently When designing the power supply circuit...

Page 10: ...d the antenna to the outside of the case The antenna must not be installed inside the metal shell which will greatly reduce the transmission distance 4 1 Software Writing This module is SX1262 STM8L15...

Page 11: ...eheating temp 150 200 Preheat Time Tsmin to Tsmax ts Preheating time 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp Average ramp up rate 3 second max 3 second max Liquidous Temperature TL Liqu...

Page 12: ...5V the lower the voltage the lower the transmitting power Due to antenna quality or poor matching between antenna and module 6 2 Module is easy to damage Please check the power supply source ensure it...

Page 13: ...Co Ltd 12 Revision history Version Date Description Issued by 1 0 2021 03 1 Initial version Linson About us Website www ebyte com Sales info cdebyte com Support support cdebyte com Tel 86 28 61399028...

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