Ebyte E840-TTL-4G02E User manual

E840-TTL-4G02E User Manual

4G/LTE Module

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

Content

1 PRODUCT OVERVIEW.................................................................................................................................................. 2

1.1. INTRODUCTION............................................................................................................................................................. 2

1.2. FEATURES......................................................................................................................................................................2

1.3 MODULE PARAMETER.................................................................................................................................................... 3

1.4 INTERFACE DESCRIPTION............................................................................................................................................... 4

1.5 PIN DEFINITION.............................................................................................................................................................. 4

2.QUICK START.................................................................................................................................................................. 5

2.1 HARDWARE...................................................................................................................................................................5

2.2 DATA TRANSMISSION TEST............................................................................................................................................. 9

2.1.1 Operating mode is as follows：............................................................................................................................. 9

2. NETWORK FUNCTION..................................................................................................................................................... 11

3. HIGH SPEED MODE......................................................................................................................................................... 11

4. SMS FUNCTION..............................................................................................................................................................14

3. AT COMMAND.............................................................................................................................................................. 17

4 NOTES..............................................................................................................................................................................28

5 IMPORTANT STATEMENT..........................................................................................................................................29

6 REVERSION HISTORY................................................................................................................................................ 30

7 ABOUT US....................................................................................................................................................................... 30

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

1 Product Overview

1.1. Introduction

E840-TTL-4G02E is developed for serial port devices and network servers to

transmit data to each other through a network.It is a

LTE-FDD/LTE-TDD/WCDMA/TD-SCDMA/CDMA/GSM wireless communication

data transmission modem with diversity receiving function, supporting LTE-FDD,

LTE-TDD, DC-HSDPA, HSPA+, HSDPA, HSUPA, WCDMA, TD-SCDMA, CDMA,

EDGE and GPRS network data connections, through simple AT commands Settings,

you can easily use this product to achieve two-way data transparent transmission from

serial to network.

The module with 2.0 mm pin header is good for embedded development by a wide voltage of 5.0V to 20.0V.

Support 4G card, RS485 and RS232. With circuits electrical isolation scheme for anti-interference ability, it can be used

in environments with strong electromagnetic interference, such as power industry. This manual is a quick introduction to

the modem E840-TTL-4G02E. It is the easiest hardware environment to test the E840-TTL-4G02E network transmission

function, that is, to realize data being transmitted in both directions between the serial device (here, the computer) and the

network server.

1.2. Features

Almost meet all M2M application demands;

Support data transparent transmission, support TCP, UDP network protocol, support heartbeat package,

registration package function;

Support two-way serial transmission from device to network server for 460800 serial port baud rate and below;

Support serial port large cache function, the serial port data can be cached locally before the server is

established;

Support SMS sending and receiving, SMS remote query / configuration device parameters;

Support multiple Socket links to send and receive at the same time;

Support Modbus RTU and Modbus TCP to automatically convert each other;

LTE-FDD: Max downstream rate of 150Mbps, Max upstream rate of 50Mbps;

With software/hardware double watchdog design, the system is stable, will never crash.

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

1.3 Module parameter

Parameter

Value

Description

Characteristic

Frequency

LTE-FDD：B1/B3/B7/B8/B20/B28A

WCDMA：B1/B8

GSM：B3/B8

LTE

characteristic

Support max. of 3GPP R8 non-CA Cat 4 FDD and TDD

Support 1.4MHz~20MHz , Downstream support：MIMO

LTE-FDD: Max downstream rate 150Mbps, Max upstream rate50Mbps

WCDMA

characteristic

WCDMA: Max downstream rate 384Kbps，Max upstream rate 384Kbps

GSM

characteristic

GPRS: Max downstream rate 107Kbps，Max upstream rate 85.6Kbps

EDGE: Max downstream rate 296Kbps，Max upstream rate 236.8Kbps

Network protocol

characteristic

Support

TCP/UDP/PPP/FTP/HTTP/NTP/PING/QMI/NITZ/CMUX/HTTPS/SMTP/MMS/FTP

SMTPS/SSL/FILE protocol

Support PAP (Password Authentication Protocol)and CHAP (ChallengeHandshake

Authentication Protocol)

Hardware

Characteristic

Antenna

IPX

Data interface

UART

Baud rate

Support Max. 921600bps，default 115200bps

Transmitting power

Class 4 (33dBm±2dB) for GSM900

Class 1 (30dBm±2dB) for DCS1800

Class E2 (27dBm±3dB) for GSM900 8-PSK

Class E2 (26dBm±3dB) for DCS1800 8-PSK

Class 3 (24dBm+2/-1dB) for CDMA BC0

Class 3 (24dBm+1/-3dB) for WCDMA bands

Class 2 (24dBm+1/-3dB) for TD-SCDMA bands

Class 3 (23dBm±2dB) for LTE-FDD bands

Class 3 (23dBm±2dB) for LTE-TDD bands

Sensitivity

FDD B1: -101.5dBm (10M)

FDD B3: -101.5dBm (10M)

FDD B7: -99.5dBm (10M)

FDD B8: -101dBm (10M)

TDD B20: -102.5dBm (10M)

TDD B28A: -102dBm (10M)

WCDMA B1: -110dBm

WCDMA B8: -110.5dBm

GSM 3: -109dBm

GSM 8: -109dBm

Consumption

（Typical）：

11uA @ power off

1.8mA @LTE sleep (PF=128)

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

1.5mA @LTE sleep (PF=256)

20mA @ idle

Bandwidth

1.4/3/5/10/15/20MHz

Operating

temperature

-30℃- +70℃, extending to -40℃~+85℃

Operating voltage

DC 5V ~ 20V

Size

42×40×9.7 mm

1.4 Interface description

1.5 Pin definition

Pin No.

Name

Description

RST

Reset pin

IO_RT

The low level lasts for 3~10S, the module parameters will be restored to the factory settings,

and will be restarted immediately.

LIKA

SocketA link connection status indicator pin, corresponding to the onboard left 1 LED.

High: SocketA is successfully connected to the web server;

Low: SocketA did not successfully connect to the network server;

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

LIKB

The SocketB link connection status indicator pin corresponds to the onboard left 2 LED.

High: SocketB is successfully connected to the web server;

Low: SocketB did not successfully connect to the network server;

DATA

The data TX and RX indication pin, when the network receives the data or the serial port

receives the data (50ms high/10ms low), corresponding to the onboard left 3LED light.

STAT

The device status indication pin corresponds to the onboard left 4 LED.

Low: The device is powered on to search for SIM card

1800ms low, 200ms high: the device checks the correct SIM card and is attaching to the

network;

High: The device is attached to the network successfully.

RXD

Data receiving pin, default 3.3V, compatible with 5V communication level.

TXD

Data transmitting pin, default 3.3V, compatible with 5V communication level.

VEF

Drive level power supply pin, if you need to achieve serial communication and LED indication

is 5V drive level, you need to input 5V level on this pin.

10、11、14、

15、23

MOD、SLE、

PA11、PA10、EN

4V2

Lithium battery power supply pin, power supply range: 3.8V~4.3V. This pin is prohibited from

being reversed and is not allowed to be supplied with VCC.

VCC

DC power supply pin, power supply range: 5V~20V. This pin is prohibited from being reversed

and is not allowed to be supplied with VCC.

External SIM card power supply pin, if the onboard SIM card holder is used, the pin remains

External SIM card reset pin, if the onboard SIM card holder is used, the pin remains NC

External SIM card data pin, if the onboard SIM card holder is used, the pin remains NC

External SIM card clock pin, if the onboard SIM card holder is used, the pin remains NC

LIKD

SocketD link connection status indicator pin, corresponding to the onboard right 3 LED.

High: SocketD is successfully connected to the web server;

Low: SocketD did not successfully connect to the network server;

LIKC

SocketC link connection status indicator pin, corresponding to the onboard right 2 LED.

High: SocketC is successfully connected to the web server;

Low: SocketC did not successfully connect to the network server;

13、17、18

GND

Ground

2.Quick start

2.1 Hardware

Hardware for test are as follows：

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

E840-TTL（4G-02）

5V—20V power adaptor or 4.2V battery

USB to TTL board

4G/LTE sucker antenna and IPEX to SMA cable

UART cable connected according to recommended circuit diagram, SIM card and antenna

Connect the power supply, antenna, SIM card, serial cable and other hardware before testing.

1. Access the official website of EBYTE: www.ebyte.com, to download the latest GPRS/E840-TTL-4G02E series

product configuration tool, install USB to 232/485 driver, run the software!

2. Select the corresponding COM port number. The factory default serial port baud rate is 115200, 8N1, as shown

below:

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

3. Click the tool "Enter Configuration Status" button and wait for the device parameters to be automatically obtained. After

completion, the following figure is displayed:：

4. Query the signal strength, set the device connection server IP and port number to be: 116.62.42.192, 8124; (Ebyte

test server), and finally click "Save all parameters", and finally as shown below:

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

5. Click the tool "Module Restart" button and wait for the device LINK light to be on.

6. Search "Ebyte IoT expert" WeChat public number, enter the page, click: Customer Support -> Device

Test, the mobile phone screenshot interface is as follows:

7. Use the PC-side tool to send data to, and use the mobile phone to send data to the device. The communication test

result is as shown below:

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL-4G02E User Manual

2.2 Data transmission test

Software tools used for the test are as follows：

Any serial port assistant, XCOM is used in this manual, which can be downloaded from our official website.

2.1.1 Operating mode is as follows：

1. Operating mode includes: transparent transmission mode、AT configuration mode

a) Transparent transmission mode: After power-on, the radio works in the transparent transmission mode by default, and

automatically starts the network connection. When the connection is established with the server, any data received by the serial port

will be transparently transmitted to the server. At the same time, it can also receive data from the server. After receiving the server data,

the module will output directly through the serial port. The maximum length of data supported by this module is 10 bytes. When

multiple links are connected to the server at the same time, the data packet will be sent to the four links at the same time. When there

are data to be sent from any network link, the radio will transparently output the data.

b) Protocol transmission: This module supports 4-channel Socket connections. For each socket users can configured it as TCP

Client or UDP Client. When sending data, users can use protocol transmission or transparent transmission.The maximum length of

data supported by this module is 1024 bytes.

Protocol transmission format

Transmit：0x55 0xFE 0xAA ID data

For example：55 FE AA 00 AA BB CC //00：SOCK0 link，AA BB CC：the data that the user actually needs

to transmit

Receive：0xAA 0XFE 0x55 ID data length Data

For example：AA FE 55 00 00 03 11 22 33 //00: SOCK0 link，00 03：the valid data length received this time

11 22 33：real data

Demonstration：

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