[RIIM] What application payload length is supported for uplink and downlink packet? Around 84 Bytes. Last Update: September 29, 2021 September 29, 2021 747 RIIM Q&A Related Knowledge Base Posts -[RIIM] Is there a tool that we can we use to check the network quality (measuring the RSSI)?[RIIM] Can I have more than one Border Router in my RIIM Network?[RIIM] Is there an acknowledgement (ACK) from the sensor in order to know if the data has been transmitted correctly?