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Hello ZOLEO, Goodbye Coverage Gaps


Meet ZOLEO, the affordable accessory that extends your smartphone messaging coverage to everywhere on Earth and provides a safety system you can count on.

ZOLEO Features and Tech Specs

For added peace-of-mind, built-in Check-in and SOS buttons help keep you safe — even if your smartphone is damaged or out of battery life.

ZOLEO Satellite Communicator Features and Tech Specs

Tech Specs


  • Weight: 150 g (5.3 oz)
  • Size (L x W x D): 9.1 x 6.6 x 2.7 cm (3.58 x 2.6 x 1.06 in)
  • Ingress Protection: IP68; dust- and water-resistant (to 1.5 m (4.9 ft) for 30 min)
  • Shock-resistant: MIL-STD 810G
  • Power input: Micro-USB Type B connector
  • Covered SOS button prevents false alarms (also cancellable)
  • Audible alerts for messages (user-selected tone)
  • Internal GPS chip, location-aware (accurate to 2.5 m (8.2 ft))
  • LEDs for: messages, SOS, check-in, and power


  • Battery: Rechargeable internal Lithium Ion
  • Battery life: 200+ hours
  • Charging time: 2 hours using 1.5 A charger


  • Operating temperature: -20°C to 55°C (-4°F to 131°F)
  • Storage temperature: -20°C to 60°C (-4°F to 140°F)
  • Battery charging temperature: 0°C to 45°C (32°F to 113°F)


  • Satellite network: Iridium
  • Connects via Bluetooth LE (one connection at a time; range of up to 50 m (164 ft))
  • Global Navigation Satellite System: GPS, GLONASS
  • GPS accuracy: 2.5 m (8.2 ft) under ideal conditions


  • FCC, CE, ISED, ITU, RCM, GITECKI, REACH ROHS, Iridium approved
  • EN 60945 maritime navigation and radio communication equipment (EMC) emissions & immunity tested

Seamless Global Messaging for Smartphones Is Here


For Anyone Who Ventures Beyond Cell Coverage

Only ZOLEO connects with your phone or tablet to provide seamless global messaging that follows you in and out of cell coverage — plus added safety features you can count on world-wide.

ZOLEO is For Anyone Who Ventures Beyond Cell Coverage

What can ZOLEO do for you?

  • Message anywhere over satellite, cellular and Wi-Fi
  • SOS alerting with 24/7 monitoring from the pros
  • Check-in to let others know you’re OK
  • Share your GPS location

Say Goodbye to Coverage Gaps

With ZOLEO you’ll never miss a message again!

When you’re beyond cell coverage

When you’re beyond cell coverage...

Your ZOLEO device connects with our free app on your phone so you can send/receive messages anywhere on the planet via the Iridium satellite network.

ZOLEO device

When you're within cell coverage...

Uniquely, the ZOLEO app seamlessly delivers messages over cellular and Wi-Fi. You'll always get the message, even if your ZOLEO satellite communicator device is turned off!

When you're within cell coverage

Reviews and Awards

“The innovative ZOLEO satellite communicator is an everyday option for anyone who wants to send messages from anywhere and likes the reassurance of location tracking and emergency services.”
Gear Junkie

“There honestly isn’t anything that we didn’t like about the ZOLEO Satellite Communicator. It’s rugged, waterproof, and did everything that it’s supposed to do.”
50 Campfires 

“We choose the ZOLEO over other satellite communicators we’ve tested because of its affordability, simplicity, and the continuous on- and off-grid coverage...”
SunCruiser Media, 4W Drive Magazine

“ZOLEO is the most cost-effective, budget friendly option on the market…I’m really impressed. It’s been really reliable and quick to send messages”
Backcountry Exposure

“ZOLEO messaging experience is better in every way. For owners, the messaging is centralized (in the ZOLEO App), rather than being split between conventional messaging apps...”
Andrew Skurka

“After testing out the ZOLEO communicator for a couple of months, we can say that this unit is something that every motorcyclists who ventures off the beaten track should consider.”
Adventure Rider Radio

“This Editors' Choice is polished, effective, and our pick for seamless messaging. The ZOLEO Satellite Communicator enters this market with a mature and excellent product.”
Outdoor Gear Lab 

“We’ve been using this new product for the last few months and are impressed. It allows us to use an app on our smart phone to connect with the ZOLEO device that accesses Wi-Fi, cellular, and the Iridium satellite network… ”
Hunt Alaska Magazine

ZOLEO Coverage

Only ZOLEO Transmits Over Satellite, Cellular and Wi-Fi

Seamless Coverage Wherever You Go

ZOLEO Coverage Map with ZOLEO Device & App

Iridium Offers Coverage Where Cellular Doesn’t

ZOLEO devices operate on the world’s largest and most advanced commercial satellite constellation, Iridium. Only Iridium offers coverage everywhere on the planet, including Earth's landmasses, oceans, skies and Polar Regions. With Iridium there are absolutely no coverage gaps.

Iridium Satellite Constellation

How to Connect ZOLEO to the Iridium Network

How to Connect ZOLEO to the Iridium Network