Quantity   Component name
1 × GGreg20_V3 Geiger counter module with pulse output Component description: https://go.iot-devices.com.ua/geiger-counter
1 × J305 or SBM20 GM-tube available as option Component description: https://go.iot-devices.com.ua/geiger-counter
1 × Cables and connectors available as option Component description: https://go.iot-devices.com.ua/geiger-counter
1 × 3d-printed plastic case available as option Component description: https://go.iot-devices.com.ua/geiger-counter