Feature - Ebyte E840-DTU User Manual

GPRS
Version
1.00
E840-DTU (GPRS-03) is a product developed for serial port devices and network servers to transmit data through each other through the network. This product
uses the standard AT command, which enables transparent transmission between devices and servers. The cloud platform built by Ebyte can realize the free
networking mode. The E840-DTU (GPRS-03) is an industrial grade quad-band GSM/GPRS digital radio.
This chapter is a quick introduction to the E840-DTU (GPRS-03) product. It is the easiest hardware environment to test the E840-DTU (GPRS-03) network
transmission function, that is, to realize the serial device (here, the computer) to the network server ( TCP test tool instead of) network transparent transmission.

Feature

 Able to meet almost all M2M application needs;
 Support data transparent transmission, support TCP, UDP network protocol, support heartbeat package, registration package;
 Support serial port caching function, the serial port data can be cached locally before the connection is established with the server;
 Maximum GPRS data downstream rate is 85.6kbps, maximum upstream rate is 85.6kbps;
 Support TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SMTP/PING，code format include CS-1、CS-2、CS-3 and CS-4；
 Support 8~28V wide voltage power supply, adopt DC power supply and terminal terminal power supply mode;
 The RS485 circuit uses electrical isolation, lightning protection, and surge protection to provide immunity to interference.
Copyright ©2012–2017, Chengdu Ebyte Electrical Technology Co., Ltd.
1
Date
2018/08/02
E840-DTU（GPRS-03）User Manual
Description
Initial version
Issued by
huaa