[Data Interface]：TTL Level

[Operating Voltage]：DC 4.5~18V

[Size]：25*25mm

[Product Weight]：4.5±0.2g

[Introduction]：E840-TTL(EC05-DNE)-V2 is a small-sized 4G pin module developed by EBITE using 4G CAT1 technology. It features small size, high speed, low latency, and ease of use. Simple configuration enables serial device networking (bidirectional transparent transmission between serial devices and network servers). The product uses 2.0mm pin headers for easy debugging and configuration, making it very convenient for integration into IoT projects. It supports two connections, the MQTT protocol, and access to Alibaba Cloud, OneNet, Baidu Cloud, and Huawei Cloud platforms, facilitating IoT applications.