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E78-400M22S User Manual

ASR6501 433/470MHz 22dBm LoRa Wireless Module

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Summary of Contents for E78-400M22S

Page 1: ...E78 400M22S User Manual ASR6501 433 470MHz 22dBm LoRa Wireless Module...

Page 2: ...meter 3 2 1 Limit parameter 3 2 2 Operating parameter 3 3 Size and pin definition 4 4 Development 5 6 Basic operation 6 6 1 Hardware design 6 7 FAQ 7 7 1 Communication range is too short 7 7 2 Module...

Page 3: ...ustomize standard LoRaWan and Alibaba linkWan nodes for you 1 2 Features Ultra small size only 14x20mm Under ideal conditions the communication distance can reach 7km Integrated Cypress 32 bit cortex...

Page 4: ...munication level V 3 3 For 5V TTL it may be at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 410 493 Support ISM band Power consumption Transmitting curren...

Page 5: ...nnected to the power reference ground 2 VCC Power supply range 2 5 3 7v external ceramic filter capacitor is recommended 3 SETB Input output Ground wire connected to the power reference ground 4 DIO1...

Page 6: ...GND Ground wire connected to the power reference ground 25 SPI_MISO Input output SPI MISO test point internally connected cannot be used as external SPI 26 SPI_NSS Input output SPI NSS test point inte...

Page 7: ...tic interference large part High frequency digital wiring high frequency analog wiring and power supply wiring must avoid the Bottom of the module If it is really necessary to pass the Bottom of the m...

Page 8: ...testing near the sea The signal will be affected when the antenna is near metal object or put in a metal case Power register was set incorrectly air data rate is set as too high the higher the air dat...

Page 9: ...at temperature max Tsmax Mx preheating 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...

Page 10: ...lexible omnidirectional TX433 JWG 7 Rubber antenna 433M SMA J 2 5 75mm Flexible omnidirectional TX433 JK 20 Rubber antenna 433M SMA J 3 210mm Flexible omnidirectional TX433 JK 11 Rubber antenna 433M S...

Page 11: ...order Revision history Version Date Description Issued by 1 0 2019 03 20 Initial version Ray 1 1 2019 04 01 Error correction Ray About us Website www ebyte com Sales info cdebyte com Support support...

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