[SIGFOX] Which Frequency unit must I order for the client in France ? For European use (including France), you will need the RC1682-SIG module which operates on 868MHz. Last Update: September 14, 2017 September 14, 2017 1109 SIGFOX Q&A Related Knowledge Base Posts -[SIGFOX] What is a SIGFOX zone?[SIGFOX] How do I manage the unique ID and Key?[SIGFOX] What is SIGFOX?