We do not recommend a LinkNYC Kiosk repeater at the moment as the connection has become unreliable
To use the SXTsq 5 ac you need to get the international version and configure it according to our detailed instructions, the simplified fast config or the VPN config which connects you to our mesh network.
Here is the link to buy the SXTsq. Make sure to specify international.
With all these gateways we get lots of questions about security. As always, https (used by most web sites) is a secure way to transmit information across wifi. We recommend our VPN config for end-to-end encryption for total security.