Introduction: Most of us in the world use cellular phones. Make, model, and service providers may be different within the country or international level. But you may feel irritation, and helplessness when your cellular phones (popularly called mobile phone or cellphone) is not working. The reason for non-working may be like the below: You are out of network coverage. You are traveling to a foreign. You are traveling to a remote area within the country where a terrestrial network or cellular phone network is not available. During natural calamities (floods, storms, earthquakes, etc.). Emergencies, or wartime when cellular phone networks and terrestrial networks are terminated. During your journey by air or by sea. Any other reasons that are not mentioned here. The solution to all these problems is a Satellite phone which we will explore here in this blog. Difference between normal Smartphones and Satellite Phones (Satphones): The normal smartphone which most people use works with the h