[Working voltage]：DC 4.5~18V
[Data interface]：TTL level
[Product size]：25*25mm
[Product weight]：4.3±0.2g
[Introduction]：E840-TTL (EC05-DNE) is a small-sized 4G TTL pin module developed by Ebyte using 4G CAT1 technology for use in the Asia-Pacific region, Australia, New Zealand and other regions. It has the characteristics of small size, high speed, low delay and convenient use. Simple features, simple configuration can realize serial device networking function (two-way transparent transmission between serial device and network server). The 4G pin module adopts 2.0mm pin header, which is easy to debug. Simple configuration can realize the serial port networking process, which is very convenient to integrate into the Internet of Things project. The 4G module supports two links, supports the MQTT protocol, and supports access to the Alibaba Cloud Platform, OneNet Platform, Baidu Cloud Platform, and Huawei Cloud Platform, making it easy to implement IoT applications.
| Parameter name | Parameter value | Description |
| Characteristic parameters | Support frequency band | LTE-FDD: B1/B3/B5/B7/B8/B20/B28 |
| Network protocol characteristics | Support TCP/UDP/MQTT/HTTP/DNS protocols | |
| RF interface | Generation 1 IPEX interface | |
| Hardware features | Data interface | 3.3V TTL level |
| baud rate | 1200-230400, default 115200bps | |
| data bits | 8 | |
| Stop bit | 1 (default), 2 | |
| Check Digit | None (default), Odd, Even | |
| Operating Voltage | VCC1: DC 4.5~18V | |
| VCC2: 3.3~4.3V | ||
| Note: VCC1 cannot be powered at the same time as VCC2, it is recommended to use the VCC1 pin | ||
| Working current | Peak-VCC1 pin: 2000mA@5V/1000mA@12V | |
| Peak-VCC2 pin: 2500mA@3.3V/2300mA@4.2V | ||
| Standby-VCC1 pin: 50mA@5V/30mA@12V | ||
| Standby-VCC2 pin 80mA@3.3V/60mA@4.2V | ||
| Operating temperature | -40~+85℃ | |
| Dimensions | 25×25mm | |
| product weight | 4.3±0.2g | |
| indicator light | PWR (blue) | Lights up when power is on |
| DATA (green) | Off: The module is powered on and searching for SIM cards; | |
| Flashing: The module detects the correct SIM card and is attaching to the network; | ||
| Steady on: The module is successfully attached to the network; | ||
| DATA (green) | Flashing: When the serial port is sending/receiving data | |
| LINK (orange) | Steady on: The module is successfully connected to the server; | |
| Off: The module failed to connect to the server successfully; |
