Yes shortly with 400km in-between traveling around somewhere in South Africa.
Google to the help 
or is that ChatGpt
Most common reasons for newbies nodes not joining, the RSSI is to high causing channel bleed and overloading the RX front-end. Move the node 10m to 15km from the gateway and preferably if the distance is short have a brick wall inbetween. RSSI need to be below -60 or so preferably.
After all LoRaWAN stands for low power long range radio acess, with a bit of IP somehere in-between.