Ebyte E90-DTU 900SL22-GPRS User Manual Download Page 5

Chengdu Ebyte Electronic Technology Co,;Ltd

E90-DTU (900SL22-GPRS) user manual

Copyright ©2012–2019,Chengdu Ebyte Electronic Technology Co,;Ltd

4

1.3

Station system parameters

Parameter

type

Parameter

Name

The parameter value

Description

Characteristic

parameters

Support

Frequency

Quad-frequency: GSM850, EGSM900,

DCS1800, PCS1900

Module can automatically search frequency

Frequency selection can be set with the AT

command

Conform to GSM Phase 2/2+

-

GPRS

Connection

characteristics

GPRS multi-slot class 12 (default)

GPRS multi-slot class 1~12 (configurable)

GPRS mobile station class B

-

GPRS Data

features

GPRS data downlink transmission: up to

85.6 KBPS

GPRS uplink data transfer: up to 85.6 KBPS

Coding formats: cs-1, cs-2, cs-3 and cs-4

Supports the PAP (password verification

protocol) protocol commonly used for PPP

connections

Support for protocols commonly used for

CHAP (query handshake authentication

protocol)

The built-in protocols:

TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SM

TP/PING, etc.

Support for unstructured supplementary data

services (USSD)

-

The antenna

interface

SMA interface, NET signal output, 50ohm

characteristic impedance

-

Transmission

Power

Class 4 (2W)

GSM850 and EGSM900

Class 1 (1W)

DCS1800 and PCS1900

-

RF

Characteristic

parameters

The air rate

2.4kbps

8 adjustable 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/sender

WOR cycle

2000ms

500ms~4000ms

It can be configured as 500ms~4000ms

Transport mode

Transparent Transmission

Can be configured for transparent transmission

or fixed-point transmission

The module

address

0~65535

Default address 0

working

frequency

850.125MHz-930.125MHz

Default 868.125MHz, channel number 80,

channel interval 1MHz

Transmission

power

22dBm

level 4 adjustable (22, 17, 13, 10dBm)

Receiving

sensitivity

[email protected]

The receiver sensitivity is independent of the

baud rate and delay time

Baud rate

115200 bps

No modification supported

The antenna

interface

SMA Interface

RF signal output, 50 ohm characteristic

impedance

Station system

parameters

Flow loss value

(typical value)

66.5mA@12V

Idle state, no data transmission

Working

temperature

-30℃~+70℃

Extended to 40 ℃ ~ + 85 ℃ temperature

Working voltage

DC 8~28V

Recommend 12V/24V power supply

Size

108*75*37mm

Overall size (excluding antenna)

Summary of Contents for E90-DTU 900SL22-GPRS

Page 1: ...E90 DTU 900SL22 GPRS...

Page 2: ...byte Electronic Technology Co Ltd 1 Content 1 OVERVIEW 2 1 1 INTRODUCTION 2 1 2 FEATURES 3 1 3 STATION SYSTEM PARAMETERS 4 1 4 PIN DESCRIPTION 5 1 5 SIZE 7 2 QUICK START 8 2 1 HARDWARE PREPARATION AND...

Page 3: ...e to have a variety of transmission modes At the network end of GPRS network the radio supports LTE FDD TTE TDD WCDMA TD SCDMA CDMA GSM wireless communication data transmission and supports LTE FDD LT...

Page 4: ...tem stability never crash Sub 1g radio frequency Support global license free ISM 868 915mhz frequency band Support data transmission rate of 0 3kbps 62 5kbps Based on SX1262 1268 development support t...

Page 5: ...SSD The antenna interface SMA interface NET signal output 50ohm characteristic impedance Transmission Power Class 4 2W GSM850 and EGSM900 Class 1 1W DCS1800 and PCS1900 RF Characteristic parameters Th...

Page 6: ...manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 5 1 4 Pin Description 3GPP Frequency 1 Timeslot 2 Timeslot 4 Timeslot CS 1 9 05kbps 18 1kbps 36 2kbps CS 2 13 4kbps 26 8kbps 53 6...

Page 7: ...on long press time no requirement 6 USB Micro USB parameter configuration interface 7 Reload Press 4 10s to restore the factory Settings 8 PWR Red power indicator 9 WORK Yellow data transmission indic...

Page 8: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL22 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 7 1 5 Size...

Page 9: ...22 GPRS device and E22 900TXXS module 5V 20V Power adapter USB switch to TTL module and USB wire GPRS LTE Sucker antenna Computer browser visit Chengdu Ebyte official website www ebyte com download th...

Page 10: ...rrectly connected the message box on the right side will prompt device ready 3 After entering the GPRS 2G network pass through configuration mode the parameters of GPRS 2G module can be configured in...

Page 11: ...the RF module in the setting of relevant parameters After the configuration is completed click the save RF parameters button After completion as shown in the following figure 5 After the configuratio...

Page 12: ...e restart button and directly click the enter communication state button in the RF mode After completion as shown in the following figure 6 Within 30 seconds after the communication state is entered i...

Page 13: ...Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 12 8 Use the serial port assistant to send data to E22 900TXXS module If E90 DTU 900SL22 GPRS receives the data sent by E22 900TXXS the W...

Page 14: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL22 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 13 b E90 DTU 900SL22 GPRS sends data to E22 900TXXS...

Page 15: ...meters c RF configuration mode this mode allows users to configure radio RF parameters d Mode switch use the official E90 DTU 230SL30 GPRS to configure the upper computer for mode switch and parameter...

Page 16: ...th the server you can choose whether to clear the cached data By default clearing the cache will be closed The maximum packet length from the local cache is 256 bytes 7 The cloud transmission function...

Page 17: ...nel of module B then module B can receive AA BB CC and other modules do not receive data the same is true for E90 DTU xxx SLXX series stations 6 LoRa spread spectrum LoRa direct sequence spread spectr...

Page 18: ...td E90 DTU 900SL22 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 17 3 Application model 1 E22 900TXXS E90 DTU 900SL22 GPRS Server A 2 E90 DTU 900SLxx E90 DTU 900SL22...

Page 19: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL22 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 18 4 Application in buildings...

Page 20: ...rectly If they are connected try to press the Reset button re plug the power cord or re plug the USB Server A of this product is always open After successful initialization it will automatically estab...

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