Introduction; Brief Introduction; Features - Ebyte E840-TTL-4G02E User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd.

1 Introduction

E840-TTL-4G02E is an LTE transmission module launched by Ebyte. This

product has complete software functions and covers most common application

scenarios. 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. It supports 4G cards of CMCC, CUCC and

CTCC. Compatible levels for communication and LED indication, the default

3.3V can be applied to 5V level, with anti-interference ability, can adapt to use in some environments with strong

electromagnetic interference, like in some power industries.

Almost meet all M2M application demands;

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Support data transparent transmission, support TCP, UDP network protocol, support heartbeat package, registration

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package function;

Support two-way serial transmission from device to network server for 460800 serial port baud rate and below;

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Support serial port large cache function, the serial port data can be cached locally before the server is established;

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Support SMS sending and receiving, SMS remote query / configuration device parameters;

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Support multiple Socket links to send and receive at the same time;

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Support Modbus RTU and Modbus TCP to automatically convert each other;

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LTE-FDD: Max downstream rate of 150Mbps, Max upstream rate of 50Mbps;

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

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E840-TTL-4G02E User Manual

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