[SIGFOX] How many bytes can I transmit in one message from my device? You can send up to 12 bytes per message from the device (uplink). Last Update: August 8, 2017 December 5, 2016 1304 SIGFOX Q&A Related Knowledge Base Posts -[SIGFOX] What if SIGFOX does not have a base station in my area?[SIGFOX] Are the modules certified for FCC and Australia are exactly the same (hardware-wise) and if so, how they are switched to work under FCC or Australian standards[SIGFOX] How do I do the Sigfox certification