You can find satellite phones at specialized retailers and through the official websites of network providers:
Iridium 9555 Satellite Phone Compact satellite phone with reliable global voice and text. Starting at $99.95 /mo. Satellite Phone Store How To Turn Your Cellphone Into A Satellite Phone | Iridium
: Offers global coverage, including the poles. Common devices include the Iridium 9555 and the Iridium Extreme 9575 .