Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-19)

User Plane Gateway (UPG) based on VPP

Asterisk channel driver for Quectel and Simcom modules, works with Asterisk-13+

5G User Plane Function (UPF) based on VPP

LTE-M, NB-IoT and GPS on nRF9160-DK, nRF9161-DK (ARM Cortex-M33)

Mobile for raspberry, support LongSung U8300C,9300C, Huawei ME909s, NL660, SIMCOM, N720 and etc

ESP32 Wi-Fi, Ethernet, and 4G/LTE Network Router

智能环境控制器软件项目:1、3.5寸lcd显示屏，易操作易理解的显示操作界面，触摸按键控制 2、精确采集多路温度传感器数据，提供RS485接口，支持Modbus RTU协议，支持主机采集模式 3、变频控制器功能，输出0-10V，精度0.1V 4、4G模块远程连接服务器，支持透传，json格式数据解析功能，支持MQTT协议，与服务器上传下发指令和数据 5、最高支持10路继电器控制功能，支持报警功能，温度差值设置，通过传感器实时控制继电器的开关，支持10路继电器延迟顺序开启 6、每路继电器支持5种控制模式

Linphone plugin for Cordova

MIMO OFDM Block Diagram Modeling and Simulation for both Open Loop and Closed Loop MIMO OFDM systems.The modular architecture uses individual blocks (written in C) for the implementation of the various stages in modulation and demodulation. Subroutines ( C code) are also supplied. Paper on Theory and Architecture for Closed Loop MIMO with SVD.

Protocol converter for connecting 4G eNB to 5GC

Embedded-Linux 4G/LTE SMS gateway in C: drives a Quectel EC20 modem over serial (AT commands), bridges SMS to MQTT, encodes PDU/Unicode, auto-configures APN, and stores to SQLite.

This is a simple DevBoard for an ESP32S3 with 4G feature

OAI Ran Repository