Ebyte E-840-TTL-4G02 User manual

E840-TTL-4G02 User Manual

4G/LTE Serial Module

Chengdu Ebyte Electronic Technology Co.,Ltd                                                                                                                                    E840-TTL(4G-02)User Manual 
 
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd                            1
CONTENTS 
PRODUCT OVERVIEW........................................................................................................................................................2 
1. INTRODUCTION................................................................................................................................................................................. 2 
2. FEATURES .......................................................................................................................................................................................... 2 
3 MODULE PARAMETER........................................................................................................................................................................... 3 
4 INTERFACE DESCRIPTION ..................................................................................................................................................................... 5 
5 PIN DEFINITION ...................................................................................................................................................................................... 5 
QUICK START .......................................................................................................................................................................6 
1 HARDWARE.........................................................................................................................................................................6 
1 DATA TRANSMISSION TEST................................................................................................................................................................. 10 
1.1 Operating mode is as follows
：..............................................................................................................................................10
 
2 NETWORK FUNCTION..........................................................................................................................................................................12 
3 HIGH SPEED MODE...............................................................................................................................................................................13 
4 SMS FUNCTION....................................................................................................................................................................................16 
AT COMMAND ................................................................................................................................................................... 19 
NOTES.................................................................................................................................................................................... 30 
IMPORTANT STATEMENT .............................................................................................................................................. 31 
REVERSION HISTORY ..................................................................................................................................................... 31 
ABOUT US ............................................................................................................................................................................. 31

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual

1 Product Overview

1.1. Introduction

E840-TTL-4G02 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-4G02.

It is the easiest hardware environment to test the E840-TTL-4G02 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 230400 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，LTE-TDD：Max downstream

rate of 130Mbps，Max upstream rate of 35Mbps；

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

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual

1.3 Module parameter

Parameter

Value

Description

Characteristic

Frequency

LTE-FDD：B1/B3/B5/B8

LTE-TDD：B38/B39/B40/B41

WCDMA：B1/B8

TD-SCDMA：B34/B39

CDMA：BC0

GSM：900/1800MHz

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

LTE-TDD：Max downstream rate 130Mbps， Max upstream rate35Mbps

UMTS

characteristic

support 3GPP R8 DC-HSDPA，HSPA+，HSDPA，HSUPA and WCDMA

Support QPSK，16-QAM and 64-QAM modulation

DC-HSDPA：Max downstream rate 42Mbps

HSUPA：Max upstream rate 5.76Mbps

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

TD-SCDMA

characteristic

support CCSA Release 3 TD-SCDMA

Max downstream rate 4.2Mbps， Max upstream rate 2.2Mbps

CDMA2000

characteristic

support 3GPP2 CDMA2000 1X Advanced and 1xEV-DO Rev.A

EVDO：Max downstream rate 3.1Mbps，Max upstream rate 1.8Mbps

1X Advanced：Max downstream rate 307.2Kbps，Max upstream rate 307.2Kbps

GSM

characteristic

R99：CSD tx rate：9.6kbps，14.4kbps

GPRS：support GPRS multiple time slot level 33（default 33），coding format：

CS-1/CS-2/CS-3/CS-4

max of 4 Rx time slot for each frame，Max downstream rate107Kbps，Max

upstream rate 85.6Kbps

EDGE：support EDGE multiple time slot level 33（default 33），support GMSK and

8-PSK

coding format

Downstream coding format：CS 1-4 and MCS 1-9，upstream coding format：CS

1-4 and MCS 1-9

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

Antenna

IPEX interface

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual

Characteristic

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: -101.6dBm (10M)

FDD B3: -101.9dBm (10M)

FDD B5: -102dBm (10M)

FDD B8: -102.1dBm (10M)

TDD B38: -101.3dBm (10M)

TDD B39: -101.2dBm (10M)

TDD B40: -101.4dBm (10M)

TDD B41: -101.4dBm (10M)

WCDMA B1: -112dBm

WCDMA B8: -112dBm

TD-SCDMA B34: -110dBm

TD-SCDMA B39: -110dBm

CDMA BC0: -108dBm

GSM 900: -109dBm

GSM 1800: -109dBm

Consumption

（Typical）：

11uA @ power off

1.8mA @LTE sleep (PF=128)

1.5mA @LTE sleep (PF=256)

20mA @free

Bandwidth

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

Operating

temperature

-30℃- +70℃ extending to -40℃~+85℃

Operating voltage

DC 5V ~ 20V

Size

42×40×10 mm

SIM card holder

MICRO card holder

3GPP Frequency

Transmit（MHz）

Receive（MHz）

EGSM900

880~915

925~960

DCS1800

1710~1785

1805~1880

CDMA BC0

824~849

869~894

WCDMA B1

1920~1980

2110~2170

WCDMA B8

880~915

925~960

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual

TD-SCDMA B34

2010~2025

TD-SCDMA B39

1880~1920

LTE-FDD B1

1920~1980

2110~2170

LTE-FDD B3

1710~1785

1805~1880

LTE-FDD B5

824~849

869~894

LTE-FDD B8

880~915

925~960

LTE-TDD B38

2570~2620

LTE-TDD B39

1880~1920

LTE-TDD B40

2300~2400

LTE-TDD B41

2555~2655

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(4G-02)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(4G-02)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-4G02 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(4G-02)User Manual

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

completion, the following figure is displayed:：

2. 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(4G-02)User Manual

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

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

Test, the mobile phone screenshot interface is as follows:

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