Pronto Cloud Controller works with all OpenWRT supporting Access Points after simple firmware upgrade. Firmware for different vendors can be downloaded from Pronto website.

Yes, as long as Access Point is OpenWRT based hardware it works on both Indoor and Outdoor Access Points. It also supports APs with different software version. 

Pronto Cloud Controller works best with Pronto Cloud Controller compatible plug and play Pronto Intelligent Access Point (PIAP) with self-configuration and self-provisioning features.

PIAP is also for sale.