
Satellite phones are a great option for staying connected while at sea. They can be used for emergency communications, low-bandwidth data use, and global voice and text messaging. Satellite phones are especially useful when outside of cellular coverage areas, providing safety and peace of mind that a cell phone can't match. They work by relaying and amplifying radio signals, with geostationary satellites remaining at the same position relative to the Earth at about 22,000 miles altitude.
| Characteristics | Values |
|---|---|
| Use | Emergency marine communications and low-bandwidth data use |
| Coverage | Global voice and text communications |
| Cost | $26 a month to thousands of dollars a year |
| Accessories | 12-volt charger, AC charger, protective cases, headset, extra battery, remote hard-wired antennas |
| Providers | Iridium, Inmarsat, Globalstar, Starlink |
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What You'll Learn
- Satellite phones are perfect for emergencies and low-bandwidth data use
- Satellite phones are not marine products but can be optimised for marine use
- Satellite phones are more effective than cell phones when you're offshore
- Satellite phones require an antenna to work in a boat's cabin
- Satellite phones are portable and cost-effective

Satellite phones are perfect for emergencies and low-bandwidth data use
Satellite phones are also great for low-bandwidth data use. For example, if you want to send an email while you are away at sea, a satellite phone is a perfect option. Iridium GO! provides global voice calling and text messaging solutions for your smartphone, as well as simple data capabilities through Iridium apps.
A satellite phone is a portable device that allows you to stay in touch when you are outside of cellular coverage areas. This means that if you are cruising outside of cellphone coverage areas, a satellite phone is one of the best choices for staying connected. With some phones offered free with coverage plans, a satellite phone might be the most cost-effective means of global voice and text communications.
There are a number of satellite phone models and calling plans available, ranging from $26 a month to thousands of dollars a year. You can also get a refurbished Globalstar GSP-1700 from the company for $399, which is a good deal since many new satellite phones can run $1,000 or more. Accessories for satellite phones include a 12-volt charger (which comes with an AC charger), several protective cases, a headset, and an extra battery.
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Satellite phones are not marine products but can be optimised for marine use
Sat phones are revolutionising communication at sea, with Elon Musk's Starlink providing a low-cost, high-speed internet service that makes web browsing, video streaming and WhatsApp calls readily accessible to leisure boaters.
Sat phones can be purchased refurbished for as little as $399, or new for $1,000 or more. They can be kept in a waterproof plastic "ammo box" on the boat, ready to go at a moment's notice.
To use a sat phone in a boat's cabin, you will need to use one of the optional remote hard-wired antennas. Other accessories include a 12-volt charger, several protective cases, a headset, and an extra battery.
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Satellite phones are more effective than cell phones when you're offshore
Satellite phones are also a good option for low-bandwidth data use, such as sending emails or accessing the internet. They can provide global voice calling and text messaging solutions, as well as simple data capabilities through specific apps.
One example of a satellite phone is the GSP-1700 mobile sat phone, which is designed to provide safety and peace of mind when you're offshore. It can be purchased refurbished for a relatively low cost compared to other satellite phones, making it an affordable option for those seeking extra security while boating.
To optimise a satellite phone for use in a marine environment, additional accessories may be required, such as remote hard-wired antennas, protective cases, and extra batteries. These accessories ensure the phone can function effectively on a boat and withstand the challenges of the marine setting.
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$343.22 $399.99

Satellite phones require an antenna to work in a boat's cabin
Satellite phones are a great option for emergency marine communications and low-bandwidth data use. They are also useful for staying in touch when outside of cellular coverage areas. However, satellite phones require an antenna to work in a boat's cabin. This is because the satellite phone needs to be able to send and receive radio signals, and an antenna helps to amplify these signals.
The GSP-1700 mobile sat phone is a good option for those venturing more than a few miles offshore, as it provides safety and peace of mind that a cell phone can't match. It is also a cost-effective option, as it can be purchased refurbished for $399, while new sat phones can cost $1,000 or more.
There are a number of sat-phone models and calling plans available, ranging from $26 a month to thousands of dollars a year. Some phones are even offered free with coverage plans.
In addition to an antenna, other accessories that may be useful for a satellite phone include a 12-volt charger, protective cases, a headset, and an extra battery.
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Satellite phones are portable and cost-effective
Satellite phones are also a good choice if you want to stay connected while on the water. With some phones offered free with coverage plans, a sat phone might be the most cost-effective means of global voice and text communications. There are a number of sat-phone models and calling plans ranging from $26 a month to thousands of dollars a year. You can even get a refurbished Globalstar GSP-1700 from the company for just $399, a good deal since many new sat phones can run $1,000 or more.
Satellite phones are also easy to use. For example, Iridium GO! provides global voice calling and text messaging solutions for your smartphone, as well as simple data capabilities through Iridium apps.
In addition, satellite phones are versatile. While they are not specifically marine products, companies like SeaSat offer marine packages for each offered satellite phone to make them optimized to work in a marine environment.
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Frequently asked questions
Satellite boat phones are used for emergency marine communications and low-bandwidth data use. They allow you to make voice calls, send text messages and access the internet.
Satellite boat phones work by relaying and amplifying radio signals.
You can use a satellite boat phone from anywhere on the water, including outside of cellular coverage areas.
Satellite phones are not specifically marine products, but some companies offer marine packages to make them optimised to work in a marine environment.











































