RPi Hats Posted on January 30, 2022January 6, 2024 by user If you are fan of RPi boards these cellular hats might be handy. Requirements: Cellular networking 2G, 3G & 4G WiFi interface, Major components: ESP32 SIM7100 SIM868 SIM5360 Number of PCB layers: 4 BOM price: 50 USD Realization time: 4 weeks RPi Hats
