[RIIM] How much space is available for the user to write their application? 32 KB. Last Update: September 29, 2021 September 29, 2021 786 RIIM Q&A Related Knowledge Base Posts -[RIIM] How many children can each node support?[RIIM] What application payload length is supported for uplink and downlink packet?[RIIM] In case the customer needs to have a backup gateway, can RIIM be operated with two gateways or more gateways in one network?