Kevin_Z wrote @Porssimies The TL-WA901ND is an indoor access point, while the TL-ANT2415D is an outdoor antenna, which works with the outdoor devices usually. And we do not suggest you to replace one...

I am going to attach TP-LINK TL-ANT2415D antenna into TL-WA901ND (v4) WiFi Access Point. Does it make any difference which one of the 3 available antenna connectors in the back panel I will use ?