[SIGFOX] Can I also send data to a SIGFOX end-point to control my device? Yes, SIGFOX is a two-way system. You can send a short data message to your device. Last Update: August 8, 2017 December 5, 2016 978 SIGFOX Q&A Device , Sigfox Related Knowledge Base Posts -[SIGFOX] 2) How to ensure data reception (acknowledgment System)? How to ensure only issue until the corresponding address has received the data?[SIGFOX] Which Frequency unit must I order for the client in France ?[SIGFOX] What is a SIGFOX zone?