2 layers12 × 22 mm

Simcardsniffer
sbaresearch/mobile-atlas
Enabling Geographically Decoupled Measurements in Cellular Networks
3 parts102GPL-3.0
KiCad boards from 2 GitHub repositories tagged “cellular-network”, the most starred first; open any of them in PCBKit.

sbaresearch/mobile-atlas
Enabling Geographically Decoupled Measurements in Cellular Networks

osmocom/osmocom-analog
Software Implementation of analog cellular telephony systems like NMT, TACS, IMTS, A/B/C-Netz; mirror of https://gitea.osmocom.org/cellular-infrastructure/osmocom-analog

osmocom/osmocom-analog
Software Implementation of analog cellular telephony systems like NMT, TACS, IMTS, A/B/C-Netz; mirror of https://gitea.osmocom.org/cellular-infrastructure/osmocom-analog