[RIIM] What application payload length is supported for uplink and downlink packet? Around 84 Bytes. Last Update: September 29, 2021 September 29, 2021 772 RIIM Q&A Related Knowledge Base Posts -[RIIM] Does RC1882CEF have inbuilt real time clock?[RIIM] How do the Over-The-Air Downloads (OAD) work in real life? What happens if I use multiple firmware SW modules in the field, how do i manage the OAD so that a specific end unit gets the correct image. can we choose to update a specific end node (IP address)?[RIIM] How many channels are available for HP RIIM under EU regulations?