Garmin inReachMessenger satellite communicator

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Orbiting nearly 500 miles above out heads is a constellation of 82 satellites that make up the Iridium network, and these satellites allow you to stay in touch no matter where you are on the planet -- well, assuming you have a clear view of the sky.

Also: The best satellite phones and gadgets for reliable off-grid communication

By combining the coverage of the Iridium satellite network with a small, pocket-sized gadget called theGarmin inReach Messenger , you can stay in touch globally, sending and receiving messages, tracking and sharing your journey and, if things go south, sending an SOS signal to a global emergency response coordination center that's staffed 24/7. 

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Garmin inReach Messenger tech specs

• Dimensions: 3.1 x 2.5 x 0.9 inches/7.8 x 6.4 x 2.3 cm
• Weight: 4 oz/113.9 g
• Display size: 1 x 0.43 x 1.08 inches/2.53 x 1.1 x 2.74 cm
• Display resolution: 160 x 68 pixels
• Display type: Sunlight-readable, monochrome, transflective memory-in-pixel
• Waterproofing: IPX7 rated
• Battery: Rechargeable internal lithium-ion allowing for up to 46 days of use (message or location sent every 30 minutes with full sky view)
• GPS: Yes, compatible with GPS, Galileo, QZSS, and Beidou
• Interface: USB-C 

Access to communication satellites in the palm of your hand!

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Physically, the Garmin inReach Messenger is a small, rubberized box, but there's a lot packed into a small space. For starters, there's a really tiny display. 

Tiny display on the Garmin inReach Messenger

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Underneath the display are three buttons that are used to control the on-screen inputs, even allowing you to type.

Three buttons beneath the display

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There's a USB-C charging port sporting a heft rubberized cover.

USB-C charging port

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On the other side is the on/off button and a flap with the words SOS emblazoned on it.

On/off button and a flap with SOS on it

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Underneath the flap is the "forbidden button" that, if pressed, will summon rescue.

SOS button

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On the back of the unit are instructions on how to make use of the SOS feature.

Instruction on how to make use of the SOS feature

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On firing the inReach Messenger for the first time, you're prompted to download apps and sign up for the inReach subscription plans. Since you're connecting to satellites, this isn't cheap. Plans start at$12 a month (plus a connection fee), but the upside is that if you sign up for the"Freedom" plan , you can deactivate and reactivate to suit your needs.

Also: Apple iPhone 14 vs. Garmin inReach Messenger: Which satellite communication tool is right for you?

Then you have to set up your all your contact details and such in the app, which takes a fair bit or time, but you only have to do it once.

Setting up the Garmin Messenger app

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With the boring stuff out of the way, it's time to communicate with satellites! 

The best way to do this without eating into your plan is to send and receive some test messages (you get five per month). During this process the unit prompts you to position the unit so it has a clear view of the sky -- something that's important for it to have to be able to efficiently send and receive messages.

Sending a test message using the Garmin inReach Messenger

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Doing this is where you discover just how hard inputting a message is on the inReach Messenger. 

That tiny screen only has room to show you a ribbon of alphanumeric characters, and you have to go through them and select the ones you need using the arrow keys. Alternatively, you can use the Messenger app on your smartphone, but it's good to get used to using the unit itself as your smartphone might not be nearby in an emergency.

You're not going to be typing novels on the inReach Messenger, that's for sure!

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Even reading messages on that tiny screen is a challenge.

The tiny display on the inReach Messenger demands good eyesight!

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Oh, and since the weather was nice for once and it wasn't raining, I had to manually test the waterproofing of the unit. It just shrugs off water like a duck's back.

Testing the waterproofing of the inReach Messenger

Adrian Kingsley-Hughes/

At$295, theGarmin inReach Messenger is one of the cheapest satellite messenger devices out there, and the screen, albeit being tiny, puts it a step ahead of theZoleo satellite communicator , which doesn't have a display or a way to type or read messages without using a smartphone. 

More: How to use iPhone 14's emergency SOS satellite text feature

Garmin has packed the inReach Messenger with features that go beyond that SOS button (which, hopefully, you'll never have to press), and depending on what plan you sign up for, you can use it as a way to communicate when off grid or have it sending your location to an online map that others can view, so they can keep an eye on your route. 

It can take some time to set things up, figure out how things work, and get your head around the different subscription plans, but once you've done that, you have a powerful tool at your disposal.

Also: How to GPS-track any phone

If you're someone who goes off on adventures, whenever on or off grid, this could be something that gives you -- or your loved ones -- peace of mind, and be used to summon help in the event of something going wrong. 

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