The product description provided by the supplier is:

Airtext solves the problem of staying connected electronically to business, friends, and family without the high cost of a traditional internet option. Airtext allows up to 16 passengers the ability to send and receive SMS messages anywhere in the world. Using the Iridium satellite network, Airtext has designed a product that allows connectivity through your cell phone while on the airplane. Airtext also includes a Moving Map feature. The Airtext Map is a cabin moving map designed for passenger information and entertainment. Provides flight data from the Aircraft's navigation system to display location, destination, speed, altitude, time to destination, and more. Enjoy interactive pan and zoom functions—explore the globe. Very simple to use – Just Open the App!

The specific antenna and location will be determined at installation. The installation is quoted with limited interior access during concurrent maintenance. Access may be evaluated with some maintenance events.