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Chengdu Ebyte Electronic Technology Co.,Ltd.

E49-400M20S User Manual

Copyright ©2012–2019

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Chengdu Ebyte Electronic Technology Co.,Ltd.

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E49-400M20S Usermanual

CMT2300A 433MHz/470MHz SMD Module

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Summary of Contents for E49-400M20S

Page 1: ...Chengdu Ebyte Electronic Technology Co Ltd E49 400M20S User Manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 1 E49 400M20S Usermanual CMT2300A 433MHz 470MHz SMD Module ...

Page 2: ...2 Working Parameters 5 3 0 Size and pin definition 6 4 0 Hardware and Software Notice 7 4 1 Hardware Notice 7 4 2 Software Notice 7 5 0 Basic Circuit Diagram 8 6 0 FAQ 9 6 1 Communication range is too short 9 6 2 Module is easy to damage 9 6 3 BER Bit Error Rate is high 9 7 0 Guide for Soldering work 10 7 1 Reflow soldering temperature 10 7 2 Reflow soldering curve 10 8 0 Similar Products with CMT...

Page 3: ...e test data obtained in this paper are obtained by E Baite laboratory and the actual results may be slightly different It is hereby declared that all trade names trade marks and registered trade marks mentioned herein are the property of their respective owners The right of final interpretation belongs to Chengdu Yibaite Electronic Technology Co LTD The attention The contents of this manual may ch...

Page 4: ...ace and requires an MCU driver 1 2 Key Features The measured communication distance can reach 2 5km The maximum transmit power is 20dBm and the software can be adjusted in multiple levels Support ISM 433MHz 470MHz frequency band Support data transmission rate from 0 5Kbps to 300Kbps Support low power consumption mode suitable for battery applications Support GFSK modulation and OOK and G MSK Suppo...

Page 5: ...e module Communication level V 3 3 Using 5V level has the risk of burning Operating temperature 40 85 Industrial grade Operating frequency MHz 410 433 510 Power consumptio n TX current mA 85 Transm it power 20dBm Instant power consumption RX current mA 8 5 Sleep current μA 0 1 Software is shut down Max Tx power dBm 20 Receiving sensitivity dBm 116 117 118 Air rate is 1 2kbps Main parameter Descrip...

Page 6: ...see CMT2300A manual for details 6 GPIO2 DI O Configurable multi function IO port see CMT2300A manual for details 7 GPIO3 DI O Configurable multi function IO port see CMT2300A manual for details 8 VCC Module power supply connect to power supply 3 3V 9 GND Ground wire connect to power reference ground 10 GND Ground wire connect to power reference ground 11 SCLK DI SPI clock pin 12 SDIO DI O SPI data...

Page 7: ...close to the digital part of the module and the wiring is on the Bottom Layer Assuming that the module is soldered or placed on the Top Layer it is also wrong to randomly route on the Bottom Layer or other layers which will affect the module s spurs and receiving sensitivity to varying degrees It is assumed that there are devices with large electromagnetic interference around the module that will ...

Page 8: ...Chengdu Ebyte Electronic Technology Co Ltd E49 400M20S User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 8 5 0 Basic Circuit Diagram Chart 5 1 circuit diagram ...

Page 9: ...oom temperature is lower than 2 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 is 2 0V 3 6V voltage higher than 3 6V will damage the module Please check the stability of power source the voltage cannot fluctuate too much Please make sure antistat...

Page 10: ... Preheat 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 Liquidous Temperature TL Liquid phase temp 183 217 Time tL Maintained Above TL Time below liquid phase line 60 90 sec 30 90 sec Peak temperature Tp Peak temp 220 235 230 250 Aveage ramp down ra...

Page 11: ... TX Model Type Freq Gain Dim Cable Length Features Hz dBi mm cm TX433 JW 5 Rubber antenna 433M 2 50mm SMA J Bendable omnidirectional TX433 JWG 7 Rubber antenna 433M 2 5 75mm SMA J Bendable omnidirectional TX433 JK 20 Rubber antenna 433M 3 210mm SMA J Bendable omnidirectional TX433 JK 11 Rubber antenna 433M 2 5 110mm SMA J Bendable omnidirectional TX433 XP 200 Magnetic base antenna 433M 4 19cm 200c...

Page 12: ...ameter correction Linson 1 2 2021 6 10 Parameter correction Linson 1 3 2021 6 23 Error correction Linson About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please contact us with any questions or suggestions info cdebyte com Fax 028 64146160 Web www ebyte com Address B5 Mould Industrial Park 199 Xiqu Ave High tech ...

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