background image

Chengdu Ebyte Electronic Technology Co.,Ltd.

E49-400M20S4

User Manual

Copyright ©2012–2021

Chengdu Ebyte Electronic Technology Co.,Ltd.

5

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

Industrial

2.2 Operating parameter

Main parameter

Performance

Remark

Min

Type

Max

Operating voltage

V

1.8

3.3

3.6

Over 3.6V may permanently burn the module

Communication level

V

-

3.3

-

-

Operating temperature

-40

-

+85

Industrial grade

Operating frequency

MHz

410

433

510

-

Power

Consump

- tion

TX current

mA

-

85

-

-

RX current

mA

-

8.5

-

-

Sleep current

μA

-

1

-

DutyCycle=OFF,300nA;DutyCycle=ON,800nA

Max TX power

dBm

-

20

-

-

Receiving sensitivity

dBm

-116

-117

-118

Air data rate is 1.2kbps

Main parameter

Description

Remark

Reference distance

2500m

Clear and open, antenna height 2.5 meters, air rate 2.4kbps

Crystal Oscillator

26MHz

-

Package

SMD

-

Interface

SPI

3 lines SPI

Size

16*16mm

-

RF interface

Stamp

Equivalent impedance is about 50Ω

Содержание E49-400M20S4

Страница 1: ...Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd E49 400M20S4 CMT2300A 433 470MHz SMD UART Wireless Module...

Страница 2: ...definition 6 4 Basic operation 7 4 1 Hardware design 7 4 1 Programming 7 5 Basic Circuit Diagram 8 5 1 Hardware design and circuit schematic diagram 8 6 FAQ 8 6 1 Communication range is too short 8 6...

Страница 3: ...duction use modification or disclosure 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...

Страница 4: ...oftware multi level adjustable Support the global license free ISM 433MHz band Support the data transmission rate of 0 5Kbps 300Kbps Support low power consumption mode suitable for battery application...

Страница 5: ...aximum transmit power of 20dBm and users can set a lower output power to save power consumption The module works in the 433 470MHz frequency band With small size and low power consumption Since this m...

Страница 6: ...ameter Performance Remark Min Type Max Operating voltage V 1 8 3 3 3 6 Over 3 6V may permanently burn the module Communication level V 3 3 Operating temperature 40 85 Industrial grade Operating freque...

Страница 7: ...2300A manual for details 3 GPIO2 Input Output See CMT2300A manual for details 4 GPIO3 Input Output See CMT2300A manual for details 5 VCC Input Output Power supply 1 8V 3 6V 6 NC 7 SDIO Input Output SP...

Страница 8: ...dule and routed in the Bottom Layer Assuming the module is soldered or placed over the Top Layer it is wrong to randomly route over the Bottom Layer or other layers which will affect the module s spur...

Страница 9: ...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 da...

Страница 10: ...der quality are poor or too long so the bit error rate is high 7 Guide for Soldering work 7 1 Reflow soldering temperature Profile Feature Curve characteristics Sn Pb Assembly Pb Free Assembly Solder...

Страница 11: ...0A 410 450MHz 20 2 5 26 16 SMD UART E49 400T20D CMT2300A 410 450MHz 20 2 5 36 21 DIP UART E49 400M20S CMT2300A 410 450MHz 20 2 5 20 14 SMD SPI 9 Antenna recommendation 9 1 Recommendation The antenna i...

Страница 12: ...33M 3 210mm SMA J Flexible omnidirectional TX433 JK 11 Rubber antenna 433M 2 5 110mm SMA J Flexible omnidirectional TX433 XP 200 Sucker antenna 433M 4 19cm 200cm SMA J High gain TX433 XP 100 Sucker an...

Страница 13: ...on Linson 1 1 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...

Страница 14: ...E49 400M20S4 Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 13...

Отзывы: