Ebyte E90-DTU Manuale utente

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual 
Copyright ©2012–2019,成都亿佰特电子科技有限公司 1
Contents 
Introduction ..............................................................................................................................................................................2 
1 Brief Introduction..................................................................................................................................................................................2 
2 Features....................................................................................................................................................................................................2 
3 System Parameters ................................................................................................................................................................................3 
4 Interface description .............................................................................................................................................................................5 
5 Interface definition................................................................................................................................................................................6 
6 Size ...........................................................................................................................................................................................................7
 
Quick Start ................................................................................................................................................................................7 
1 Hardware preparation and communication test..............................................................................................................................7 
2 Working mode and function............................................................................................................................................................. 13
 
Application model ................................................................................................................................................................. 16 
Remark ................................................................................................................................................................................... 18 
Notes ........................................................................................................................................................................................ 19 
About us .................................................................................................................................................................................. 19 
 
 

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

1 Introduction

1.1 Brief Introduction

E90-DTU(900SL22-4G) is a DTU for RF transmission to 4G network, which enables transparent transmission

between Sub-1G and 4G network. This DTU uses the SX1262 RF chip from SEMTECH, supporting LoRa spread

spectrum technology, and it is equipped with a high-performance MCU, making it have multiple transmission modes.

At the same time, the module has a built-in power amplifier (PA) and low noise amplifier (LNA), the test

communication distance can reach 10km. On the 4G network side, the DTU supports

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

LTE-FDD/LTE-TDD/DC-HSDPA/HSPA+/HSDPA/ HSUPA/WCDMA/ TD-SCDMA/CDMA/EDGE/GPRS network

communication.

E90-DTU(900SL22-4G) can be directly connected to a computer via USB and parameters setting. It is easy to

change the parameters without installing a driver.

1.2 Features

■Able to meet almost all M2M application needs；

■Supporting data transparent transmission, TCP/UDP network protocol, heartbeat packet and registration packet;

■Supporting serial port large cache function, serial port data can be cached locally before establishing connection

with server;

■Supporting two Socket links to send and receive at the same time;

■Software/hardware double watchdog design, stable system, never crash;

■Sub-1G wireless communication;

■Communication distance up to 10km;

■Supporting ISM 868/915 MHz frequency band;

■Suporting 0.3kbps～62.5kbps data rate;

■Based on SX1262, Support the new generation of LoRa technology;

■Supporting RSSI;

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

■Supporting LBT;

■Supporting -40 ~ 85 °C, industrial class standard;

■Can be directly connected to a computer via USB for parameters setting, no need to install a driver;

■Supporting 8~28V wide voltage supply, can use DC power supply and power supply terminal;

■The power supply has good functions of preventing over-current, over-voltage and anti-reverse connection, etc.

1.3 System Parameters

Type

Parameter

Item

Description

NET

parameter

Characteristic

parameter

Frequency

band

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

3GPP R8 non-CA Cat 4 FDD and TDD

1.4MHz~20MHz RF bandwidth

Downlink: MIMO

LTE-FDD: Maximum downlink rate 150Mbps, Maximum Uplink Rate 50Mbps

LTE-TDD: Maximum downlink rate 130Mbps, Maximum Uplink Rate 35Mbps

UMTS

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

Supporting QPSK,16-QAM and 64-QAM

DC-HSDPA: Maximum downlink rate 42Mbps

HSUPA: Maximum Uplink Rate 5.76Mbps

WCDMA: Maximum downlink rate 384Kbps, Maximum uplink rate 384Kbps

TD-SCDMA

CCSA Release 3 TD-SCDMA

Maximum downlink rate 4.2Mbps, Maximum uplink rate 2.2Mbps

CDMA2000

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

EVDO: Maximum downlink rate 3.1Mbps, Maximum uplink rate 1.8Mbps

1X Advanced: Maximum downlink rate 307.2Kbps, Maximum uplink rate

307.2Kbps

GSM

R99: CSD transmission rate: 9.6kbps, 14.4kbps

GPRS: Suporting GPRS Multi-slot level 33(default 33), Encoding format:

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

Each frame up to 4 Rx slot, Maximum downlink rate 107Kbps, Maximum

uplink rate 85.6Kbps

EDGE: Supporting EDGE Multi-slot level 33(default 33), supporting GMSK

and 8-PSK

Downlink encoding format: CS 1-4 and MCS 1-9,Uplink encoding

format: CS 1-4 and MCS 1-9

Maximum downlink rate 296Kbps,Maximum uplink rate 236.8Kbps

Network

protocol

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

SMTP/MMS/FTPS/SMTPS/SSL/FILE

Supporting PAP (Password Authentication Protocol) and CHAP

(ChallengeHandshake Authentication Protocol)

Antenna

interface

SMA interface, NET signal output, 50Ω impedance

Bandwidth

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

Tx 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

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

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

3GPP band

Tx (MHz)

Rx (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

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

parameter

Air data rate

2.4kbps

8 level (0.3、1.2、2.4、4.8、9.6、19.2、38.4、62.5kbps)

WOR role

Receiver

Can be configured as a receiver/transmitter

WOR cycle

2000ms

Can be configured as 500ms~4000ms

Tx power

22dBm

1W, 4 level (22、17、13、10dBm)

Transmission

mode

Transparent

transmission

Can be configured as transparent transmission or fixed transmission

Address

0~65535

Default 0

Frequency

band

850.125MHz-

930.125MHz

Default 868.125MHz, Channel 80, Channel step 1MHz

Rx sensitivity

-[email protected]

kbs

Rx sensitivity is independent of baud rate and delay time

Baud rate

115200 bps

Can not be modified

Antenna

SMA

RF signal output, 50Ω impedance

DTU

parameter

Current

consumption

66.5mA

@12V

No data transmission in idle state

working

temperature

-30℃~+70℃

Extended temperature -40℃~+85℃

working

voltage

DC 8~28V

12V/24V power supply is recommended

Size

105*75*30

Overall size (without antenna)

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

1.4 Interface description

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

1.5 Interface definition

No.

Item

Description

Grounding screw

Connecting to the ground

DC_IN

Power adapter interface, power supply range 8-28V, 12V/24V is recommended

DC_IN-

Power reference ground

DC_IN+

Power supply input, power supply range 8-28V, 12V/24V is recommended

Reset

System reset button

USB

Micro USB: Parameter configuration interface

Reload

Restore factory settings button, long press 4~10s to take effect

PWR

Red: Power supply indicator

WORK

Yellow: Data transmission indicator; flashing when there is data transmission

LINK

Yellow: Network indicator, the light is always on after entering the network

NET

4G/GPRS antenna interface (SMA-K, 50Ω impedance)

SIM

SIM card slot

RF antenna interface (SMA-K, 50Ω impedance)

Note: It is recommended to connect the case to the ground with a grounding screw.

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

1.6 Size

2 Quick Start

2.1 Hardware preparation and communication test

The hardware devices required for this test are as follows:

Before testing, please connect the power supply, USB cable, SIM card, antenna and other hardware according to the

recommended circuit. If the power supply is successfully connected, the PWR indicator will be on.

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

1 E90-DTU(900SL22-4G) and 1 E22-900T20S

5V—20V power adapter

Test board and USB cable

4G/LTE sucker antenna

Please visit the official website of Ebyte: www.ebyte.com, and download the latest E90 configuration tool, E22

configuration software and serial port assistant (below is XCOM), and install and run USB to 232/485 driver.

1. After connecting the E22-900T22S , please open the E22 configuration tool and select the corresponding COM port

number. If you cannot select the COM port number, please check if the serial port driver is installed correctly. After

completing the COM port selection, click the “Restore Factory Settings”, and finally click “Write parameter".

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual

2. Open the E90-DTU(900SL22-4G) configuration tool. If the USB cable is properly connected, the message box on

the right side will prompt “Device Ready”. Click the “Enter Configuration State” button to enter 4G/2G network

transparent transmission configuration mode, the current 4G/2G configuration information will be displayed one by

one in the right message box.

3. After entering the 4G/2G network transparent transmission configuration mode, you can configure the parameters of

the 4G/2G DTU. After the configuration is complete, click the “Save Parameters” button and the prompt “Save all

parameters successfully” will be displayed. After completion, as shown below:

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