[RIIM] What application payload length is supported for uplink and downlink packet? Around 84 Bytes. Last Update: September 29, 2021 September 29, 2021 787 RIIM Q&A Related Knowledge Base Posts -[RIIM] Can I change the data rate of RIIM?[RIIM] Is there a relationship between network size and data upload interval?[RIIM] Is it possible to have a RIIM network running only on Mesh Routers, without a Border Router?