Lora wan stack Long range communication in Class C

[nagesh.divatagi]

How do i stable the long range communication in Class C using 865 -867 MHz Frequency because i getting in consistency data and i getting according to my interval. is there any configuration changes like transmission power and Data rate or something

[jcaron]

@nagesh-divatagi please provide more details, including at least the hardware (modules, antennas) and firmware used, the relevant parts of your code on both sides, the distance, whether you’re indoors or outdoors, and what you actually get (logs, stats...).