Ebyte E90-DTU 900SL22-GPRS, User Manual

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...