04. IoT Gateways: Extracting the data 4.1 Meshlium Gateway 4.1 Meshlium Gateway 4.2 Waspmote Gateway and cellular or LPWAN modules 4.2 Waspmote Gateway and cellular or LPWAN modules 4.3 LoRaWAN and Sigfox Base Stations 4.3 LoRaWAN and Sigfox Base Stations