Close to an European gateway, an application payload of 55 bytes (out of the maximum of 222 bytes) might take 33 123.14 milliseconds when using EU868’s highest data rate, SF7/125kHz

[wahid_majri]

Continuing the discussion from Limitations: data rate, packet size, 30 seconds uplink and 10 messages downlink per day Fair Access Policy [guidelines]:

how do you calculate the 123.14 milliseconds?