[RIIM] How many GPIOs does the Border Router have? 9 GPIOs. Last Update: September 29, 2021 September 29, 2021 1072 RIIM Q&A Related Knowledge Base Posts -[RIIM] Can a child node send a broadcast message?[RIIM] How can I use Pin 4, the BSL pin?[RIIM] Does RIIM use FEC (forward error correction), if not, why?