[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 1054 SIGFOX Q&A Related Knowledge Base Posts -[SIGFOX] Can you please provide the IDs and PACs asap?[SIGFOX] Can Radiocrafts design a SIGFOX unit for us?[SIGFOX] Why should I use SIGFOX instead of other communicational protocols?