TTN Community - Soledad, Colombia

In case you’re adding an external antenna instead of rotating the wall socket: some put that antenna connector in a different place:

TTIG external antenna
From https://tinkerman.cat/post/hacking-the-tti-indoor-gateway

TTIG external antenna
From TTIG Outdoor Housing with Omni Antenna in 1 hour.

TTIG external antenna
From TTIG : The Things Indoor Gateway.