If you’re sure the frame counter security is not an issue, and if you’ve triple-checked the keys and DevAddr, then all I can suggest is trying with a larger SF to increase the reach, and How to contact a gateway owner? if that doesn’t help.
If you’re sure the frame counter security is not an issue, and if you’ve triple-checked the keys and DevAddr, then all I can suggest is trying with a larger SF to increase the reach, and How to contact a gateway owner? if that doesn’t help.