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Chengdu Ebyte Electronic Technology Co., Ltd.

E19-433M20S2 User Manual

Copyright ©2012–2020

Chengdu Ebyte Electronic Technology Co.,Ltd.

3

Smart home and industrial sensors

Wireless alarm security system

Building automation solutions

Wireless industrial-grade remote control

Health care products

Advanced Meter Reading Architecture(AMI)

Automotive industry applications.

2.Specification and parameter

2.1 Limit parameter

Main parameter

Performance

Remark

Min.

Max.

Power supply

V

0

3.6

Voltage over 3.6V will cause permanent

damage to module

Blocking power

dBm

-

10

Chances of burn is slim when modules are

used in short distance

Operating temperature

-40

85

-

2.2 Operating parameter

Main parameter

Performance

Remark

Min.

Typ.

Max.

Operating voltage

V

1.8

3.3

3.6

≥3.3 V ensures output power

Communication 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

433

441

Support ISM band

Power
consumpti
on

TX current

mA

-

120

-

Instant power consumption

RX current

mA

-

14

-

Sleep current

μA

-

1.0

-

Software is shut down

Max Tx power

dBm

19

20

21

Receiving sensitivity

dBm

-145

-147

-148

Sensitivity test conditions

air data rate: 0.3 kbps, Coding rate 4/5,
Spread Spectrum Factor 12.

Summary of Contents for E19-433M20S2

Page 1: ...E19 433M20S2 User Manual SX1278 433MHz 100mW SMD Wireless Module...

Page 2: ...Operating parameter 3 3 Size and pin definition 4 4 Basic operation 5 4 1 Hardware design 5 4 2 Software editing 6 5 Basic application 7 5 1 Basic circuit diagram 7 6 FAQ 7 6 1 Communication range is...

Page 3: ...n accordance with industrial standards and the product has obtained FCC CE RoHS and other international authoritative certification reports users do not need to worry about its performance High precis...

Page 4: ...nt damage to module Blocking power dBm 10 Chances of burn is slim when modules are used in short distance Operating temperature 40 85 2 2 Operating parameter Main parameter Performance Remark Min Typ...

Page 5: ...32MHz Modulation LoRaTM recommended FSK GFSK MSK GMSK OOK Package SMD Connector 1 27mm Communication interface SPI 0 10Mbps Size 15 15 mm Antenna Stamp hole 50 ohm impedance 3 Size and pin definition...

Page 6: ...erwise when it exceeds the maximum value the module will be permanently damaged Please check the stability of the power supply the voltage can not be fluctuated frequently When designing the power sup...

Page 7: ...module It is necessary to ensure that the antenna is exposed preferably vertically upward When the module is mounted inside the case use a good antenna extension cable to extend the antenna to the out...

Page 8: ...lect wireless radio wave so the performance will be poor when testing near ground Sea water has great ability in absorbing wireless radio wave so performance will be poor when testing near the sea The...

Page 9: ...el to avoid interference Poor power supply may cause messy code Make sure that the power supply is reliable The extension line and feeder quality are poor or too long so the bit error rate is high 7 P...

Page 10: ...distance km Package Antenna Model No E19 433M20S2 SX1278 433M 20 5 SMD 15 15 Stamp hole E19 915M30S SX1276 915M 30 10 SMD 25 40 Stamp hole IPEX E19 868M30S SX1276 868M 30 10 SMD 25 40 Stamp hole IPEX...

Page 11: ...2 50mm Flexible omnidirectional TX433 JWG 7 Rubber 433M SMA J 2 5 75mm Flexible omnidirectional TX433 JK 20 Rubber 433M SMA J 3 210mm Flexible omnidirectional TX433 JK 11 Rubber 433M SMA J 2 5 110mm...

Page 12: ...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 Offi...

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