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Chengdu Ebyte Electronic Technology Co., Ltd.

E34-2G4D20D User manual

Copyright ©2012–2018, Chengdu Ebyte Electronic Technology Co.,Ltd.

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1.Overview

1.1 Introduction

E34-2G4D20D is based on n, working at 2.4

2.518GHz,

TTL output.It’s compatible with 3.3V and 5V IO port voltage, using serial
port for data transmission and reception, reducing the threshold of wireless
applications.

The E34-2G4D20D is characterized by high-speed transmission. It can

achieve full-duplex (two-way simultaneous transmission and reception)
under various baud rates. It is not limited to packet length, supports uninterrupted transmission, and supports file
transmission.

The module has data encryption and compression capabilities. The data transmitted by the module in the air is

random, and the data interception loses its meaning through strict encryption and decryption algorithms. The data
compression function has the probability of reducing the transmission time, reducing the probability of interference,
improving reliability and transmission efficiency.

1.2 Features

Supports full-duplex performance at up to 57600 baud rate (two-way simultaneous transmission and reception)

Supports uninterrupted transmission, unlimited packet length

Support file transfer

Maximum transmission power 100mW, multi level adjustable through software

Support for the global license-free ISM 2.4GHz band;

Air rate automatically adapts to baud rate;

Support advanced GFSK modulation;

Support low power mode for battery applications;

Support 2.3 ~ 5.5V power supply, greater than 3.3V power supply can guarantee the best performance;

Industrial grade standard design, support -40 ~ 85 °C for working over a long time

SMA-K interface for easy connection to coaxial cable or external antenna.

Summary of Contents for E34-2G4D20D

Page 1: ...E34 2G4D20D User Manual nRF24L01 2 4GHz TTL Full Duplex Wireless Module...

Page 2: ...itting 5 5 2 3 Configuration procedure of module 6 5 2 4 Notes for AUX 6 6 Operating mode 6 6 1 Mode switching 7 6 2 Half Duplex Mode 0 7 6 3 Full Duplex Mode 1 7 6 4 Reservation Mode Mode 2 8 6 5 Set...

Page 3: ...he data interception loses its meaning through strict encryption and decryption algorithms The data compression function has the probability of reducing the transmission time reducing the probability...

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

Page 5: ...emark Distance for reference 2000m Test condition clear and open area antenna gain 5dBi antenna height 2 5m baud rate 9600 FIFO 29Byte Maximum length of single transmission Buffer Size 1024 Btye Unlim...

Page 6: ...utput TTL UART outputs connects to external RXD MCU PC input pin Can be configured as open drain or push pull output 5 AUX Output To indicate module s working status wakes up the external MCU During t...

Page 7: ...er there are data that are yet to send via wireless way or whether all wireless data has been sent through UART or whether the module is still in the process of self check initialization 5 2 1 Indicat...

Page 8: ...in the new mode immediately until AUX rising edge 2ms later If AUX is on the high level the operating mode switch can be effected immediately When the user switches to other operating modes from mode...

Page 9: ...ta termination unless continuous data inputted by user Then the module will transmit all the data through wireless channel When the module receives the first data packet from user the AUX outputs low...

Page 10: ...rameters through specific instruction format pls refer to parameters setting for details Notes When the mode changes from setting mode to others the module will reset its parameters during which the A...

Page 11: ...Three C3 are sent in hexadecimal format The module returns the version information and must be send in succession 5 C4 C4 C4 Three C4 are sent in hexadecimal format The module will reset one time and...

Page 12: ...ent between communication parties 0 0 8N1 Default 0 1 8O1 1 0 8E1 1 1 8N1 equal to 00 5 4 3 TTL Serial port rate bps UART baud rate can be different between communication parties The UART baud rate ha...

Page 13: ...ower supply transformers high frequency wiring and other parts with large electromagnetic interference High frequency digital traces high frequency analog traces and power traces must be avoided under...

Page 14: ...e lower the voltage is the lower the transmitting power is Due to antenna quality or poor matching between antenna and module 9 2 Module is easy to damage Please check the power supply and ensure it i...

Page 15: ...21 36 frequency hopping anti interference 12 Antenna Type The antenna plays an important role in the communication process The inferior antenna often has a great impact on the communication system Th...

Page 16: ...scription Issued by v1 0 2018 01 08 Original version huaa v5 0 2018 07 20 Content added Huaa v6 0 2018 10 24 Model No split Huaa V6 1 2019 3 19 Content added Ray About us Website www ebyte com Sales i...

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