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Chengdu Ebyte Electronic Technology Co., Ltd

E01-2G4M20S1B User Manual

Copyright ©2012–2019

Chengdu Ebyte Electronic Technology Co., Ltd

1-3

2. Technical Parameters

2.1 Limit Parameter

Main parameter

Performance

Remarks

Min

Min

Voltage 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

Working temperature

(℃)

-40

85

2.2 Working parameters

Main parameter

Performance

Remarks

Min.

Typ.

Max.

Operating voltage

V

2.0

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

Working temperature

(℃)

-40

25

85

Industrial design

Operating frequency

GHz

2.4

-

2.525

Support ISM band

Power

consumptio

n

TX current

mA

-

135

-

Instant power consumption

RX current

mA

-

20

-

Sleep current

μA

19

19.5

20

Software is set 0dBm, built-in pa

Max Tx power

dBm

-97

-98

-99

Air data rate is 250kbps

Receiving sensitivity

dBm

250k

250k

2M

controlled by user's programming

Main parameter

Value

Remarks

Distance

800m

in open and clear air, at height of 2.5m

air data rate:250kbps

FIFO

32Byte

Max packet length per time

Crystal Frequency

16MHz

Modulation

GFSK

Package

SMD

Connector

Half hole 1.27mm

Communication interface

SPI

0-10Mbps

Size

23 * 14mm

with PCB antenna

Antenna

PCB antenna

50 ohm impedance match

Summary of Contents for E01-2G4M20S1B

Page 1: ...E01 2G4M20S1B User Manual 2 4GHz 100mW SPI SMD Wireless Module ...

Page 2: ...1 Limit Parameter 3 2 2 Working parameters 3 3 Size and pin definition 4 4 Basic operation 5 4 1 Hardware design 5 4 2 Software programming 5 5 Basic application 6 5 1 Basic circuit diagram 6 6 FAQ 6 6 1 Communication range is too short 6 6 2 Module is easy to damage 7 6 3 BER Bit Error Rate is high 7 7 Welding guidance 7 7 1 Reflow Soldering Temperature 7 7 2 Reflow Soldering Curve 8 8 Batch pack...

Page 3: ... use a dedicated SPI debugging tool 1 2 Features The maximum transmit power is 20dBm which meets the battery power supply and greatly expands the communication distance Communication distance can reach 800m under ideal conditions Global license free ISM 2 4GHz band Air data rate 2Mbps 1Mbps and 250kbps 125 communication channels to meet the needs of multi point communication packet frequency hoppi...

Page 4: ...on level V 3 3 For 5V TTL it may be at risk of burning down Working temperature 40 25 85 Industrial design Operating frequency GHz 2 4 2 525 Support ISM band Power consumptio n TX current mA 135 Instant power consumption RX current mA 20 Sleep current μA 19 19 5 20 Software is set 0dBm built in pa Max Tx power dBm 97 98 99 Air data rate is 250kbps Receiving sensitivity dBm 250k 250k 2M controlled ...

Page 5: ... and 3 6V 2 CE Input Module control pin 3 CSN Input Chip select pin for starting new SPI communication 4 SCK Input SPI clock pin 5 MOSI Input SPI data input pin 6 MISO Output SPI data output pin 7 IRQ Output Interrupt request valid in low level 8 GND Power supply Ground connected to power reference ground Module fixed 9 GND Power supply Ground connected to power reference ground Module fixed 10 GN...

Page 6: ...ly route over 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 greatly affect the performance It is recommended to keep them away from the module according to the strength of the interference If necessary appropriate isolation an...

Page 7: ...on 5 1 Basic circuit diagram 6 FAQ 6 1 Communication range is too short The communication distance will be affected when obstacle exists Data lose rate will be affected by temperature humidity and co channel interference The ground will absorb and reflect wireless radio wave so the performance will be poor when testing near ground Sea water has great ability in absorbing wireless radio wave so per...

Page 8: ...on the SPI is not standard Check whether there is interference on the SPI line The SPI bus line should not be too long 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 Welding guidance 7 1 Reflow Soldering Temperature Profile Feature Curve feature Sn Pb Assembly Pb Free Asse...

Page 9: ...Chengdu Ebyte Electronic Technology Co Ltd E01 2G4M20S1B User Manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 8 7 2 Reflow Soldering Curve ...

Page 10: ...ectronic Technology Co Ltd 6 9 8 Batch packaging Revision history Version Date Description Issued by 1 0 2019 11 19 Initial version Ren About us Tel 028 61399028 Support support cdebyte com Website www ebyte com Address Innovation Center B333 D347 4 XI XIN road High tech district west Chengdu Sichuan China ...

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