4 layers50 × 50 mm

Distramp
SvalbardHAB/DistributionAmp
434MHz/868MHz LoRa distribution amplifier (BPF and LNA followed by splitter)
28 parts3
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.