If you’re building a homelab rig, you could just use off-the-shelf hardware in standard cases and slap it all in a rack like ...
LoRa PHY Layer Implementation in C - Portable, modular physical layer for LoRa or LoRaWAN systems. Software Defined Radio (SDR Adalm-Pluto) compatible, based on MATLAB reference implementation.
A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...