[RIIM] What application payload length is supported for uplink and downlink packet? Around 84 Bytes. Last Update: September 29, 2021 September 29, 2021 1012 RIIM Q&A Related Knowledge Base Posts -[RIIM] Does RIIM use FEC (forward error correction), if not, why?[RIIM] Can I use a Ping to check the connection to a Router node? And can I use Ping to check connection to an End Device?[RIIM] How many GPIOs does the Border Router have?