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E30-490T20S User Manual

SI4438 490MHz 100mW SMD Wireless Module

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Summary of Contents for E30-490T20S

Page 1: ...E30 490T20S User Manual SI4438 490MHz 100mW SMD Wireless Module...

Page 2: ...FIXED TRANSMISSION 7 5 2 BROADCASTINGTRANSMISSION 7 5 6 1 Indication of UART output 8 5 6 2 Indication of wireless transmitting 8 5 6 3 Configuration procedure of module 9 5 6 4 Notes for AUX 9 6 OPE...

Page 3: ...ogy Co Ltd 2 9 1 COMMUNICATION RANGE ISTOO SHORT 16 9 2 MODULE IS EASY TO DAMAGE 17 9 3 BER BIT ERROR RATE IS HIGH 17 10 PRODUCTION GUIDANCE 17 10 1 REFLOW SOLDERINGTEMPERATURE 17 10 2 REFLOW SOLDERIN...

Page 4: ...are improved correspondingly But without FEC those data packets can only be dropped E30 490T20S strictly follows design standards of FCC CE CCC and meets various RF certification requirements for expo...

Page 5: ...V TTL it may be at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 470 500 5 Support ISM band Power consumption Transmitting current mA 89 Instant power cons...

Page 6: ...and pin definition No Name Direction Function 1 M0 Input Weak pull up Work with M1 to decide 4 working modes of module not suspended if not used could be grounded 2 M1 Input weak pull up Work with M0...

Page 7: ...external MCU During the procedure of self check initialization thepin outputs low level Can be configured as push pulloutput suspendingis allowed 6 VCC Input Power supply 2 3 5 5V DC 7 GND Input Groun...

Page 8: ...r manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 7 5 Function description 5 1 Fixed transmission 5 2 Broadcasting transmission 5 3 Broadcasting address For example Set the addre...

Page 9: ...ring the process the AUX remains low level After the process completed the AUX outputs high level and starts to work as per the operating mode combined by M1 and M0 Therefore users need to wait the AU...

Page 10: ...e have been transmitted already perhaps the last packet of data is still in transmission 5 6 3 Configuration procedure of module Only happened when power on resetting or exiting sleep mode 5 6 4 Notes...

Page 11: ...in new mode 1ms later if the module is free If there are any serial data that are yet to finish wireless transmitting it will start to work in newmode after the UART transmitting finished After the m...

Page 12: ...t this time it means that the last wireless data package transmission is started which enables the user to input another 512 bytes continuously The data package transmitted from the module working in...

Page 13: ...e used for parameter setting It uses serial port 9600 8N1 to set module working parameters through specific instruction format pls refer to parameters setting for details Notes When the mode changes f...

Page 14: ...C3 32 xx yy the second bytes means frequency 32 here means the frequency is 433MHZ 38 means frequency is 470MHz 45 means frequency is 868MHz 44 means the frequency is 915 MHz 46 means the frequency is...

Page 15: ...ference performance and longer transmitting time The air data rate must keep the same for both communication parties 0 0 0 1k 0 0 1 2k 0 1 0 5k default 0 1 1 8k 1 0 0 10k 1 0 1 15k 1 1 0 20k 1 1 1 25k...

Page 16: ...ta transmission rate increases while anti interference ability decreases Also the transmission distance is relatively short Both communication parties must keep on the same pages about turn on or turn...

Page 17: ...ill greatly affect the performance It is recommended to keep themaway from the module according to the strength ofthe interference If necessary appropriate isolation and shielding can be done Assume t...

Page 18: ...avoid using modules under too high or too low temperature 9 3 BER Bit Error Rate is high There is co channel signal interference nearby please be away from interference sources or modify frequency and...

Page 19: ...ring E30 868T20D SI4463 868M 20 2 5 1k 25k DIP 21 36 SMA K E30 868T20S SI4463 868M 20 2 5 1k 25k SMD 17 30 IPEX External Spring E30 170T27D SI4463 170M 27 5 1k 25k DIP 24 43 SMA K E30 170T20D SI4463 1...

Page 20: ...good antenna can largely improve the communication system Therefore we recommend some antennas for wireless modules with excellent performance and reasonable price Model No Type Frequency Hz Interfac...

Page 21: ...riginal version huaa 1 20 2018 01 29 Typemerging huaa 1 30 2018 10 17 New added type huaa About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you...

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