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+1 (866) 568-2770

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How MarCELL Works

1. Simple Setup

MarCELL can be plugged into any standard wall outlet. During power outages, it runs off an internal battery.

2. Connect to Network

Once powered up, MarCELL immediately connects to the desired 4G cellular network to report data and send alerts.

3. Customize Settings

Set desired thresholds for temperature and humidity alarms.

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Monitor at Anytime, From Anywhere

Historic Data Logging

Use data reports to view temperature and humidity trends over a desired period of time.

Keep Everyone Informed

Include up to 9 different people to receive instant alerts by text, call, or email.

Discover Potential Issues Fast

Noticing spikes in temperature? Losing power often? Determine equipment malfunctions before damage is done.

Customize Your Preferences

Our intuitive dashboard makes it easy to set up your MarCELL with custom temperature and humidity ranges, alert messages, notification schedules and more.

No complicated keypads or confusing displays. Just point, click, and then relax. Use our app for easy access on-the-go.

 
 
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FAQs

The MarCELL monitor is designed to give you peace of mind—whether you’re keeping tabs on temperature, humidity, or power status in your RV, unoccupied property, or anything else that matters.  With our 90-day risk-free trial, you can experience the power of MarCELL remote monitoring without any pressure.

If there is any trouble our US based team of customer support specialists will be happy to assist you to answer any questions and ensure that you are confident in the MarCELL.

We’re so confident you’ll love the simplicity and reliability of our system that we offer a MarCELL money-back guarantee—no questions asked. If for any reason the device doesn’t meet your expectations, returning it is as easy as unplugging it and sending it back. No complicated forms, no hidden fees, and absolutely no hassle. Whether you’re testing out a wireless temperature monitor for the first time or upgrading from another system, MarCELL makes it effortless to get started. Setup takes minutes, and our intuitive dashboard puts real-time data at your fingertips.

It’s especially valuable for RV travelers who leave pets behind during errands or excursions—MarCELL helps ensure your furry companions stay safe and comfortable, even when you’re away.

With MarCELL, you’re choosing to monitor what matters.


Real-Time Monitoring

  • MarCELL checks temperature, humidity and power readings every 10 seconds.
  • If a reading exceeds your set thresholds, you’ll receive an instant notification.

Live Viewing via Web or App

  • When you log in, readings refresh automatically, then update every 15 (5 minutes for MarCELL Pro) minutes while you’re active.
  • For more frequent updates, you can purchase Instant Update bundles—just $2 for 8 updates—to view the latest data anytime.
  • The oldest data you will see on the webpage will be 15 minutes old (5 minutes for MarCELL Pro)

Historical Data Recording

  • The MarCELL cellular temperature monitor stores temperature readings every hour (or every 30 minutes on Pro devices).
  • These readings are uploaded to the server every 8 hours (or every 4 hours for Pro).
  • Historical records are stored indefinitely and can be downloaded from our servers.

No, the MarCELL monitor does not require you to use your existing cell phone plan.

Here’s why:

  • Independent Cellular Connection: The MarCELL device is a self-contained cellular modem. It comes with its own pre-activated SIM card and a dedicated cellular connection.
  • Separate Subscription: To operate, the device requires a separate subscription plan that you will activate when you register the MarCELL.  This subscription covers all data fees, alerts (text, email, and phone calls), and access to your historical data through the online dashboard.
  • No Wi-Fi or Phone Line Needed:6 The core advantage of the MarCELL is that it operates independently of any internet connection (Wi-Fi or broadband) or a landline phone at the monitored location. This is what allows it to send alerts even during a power outage when your home internet may be down.

You simply choose the device that works on the Verizon or AT&T network, whichever has better coverage in your area (wondering which one that is – ask us!), and the subscription plan you prefer (monthly, seasonal, or annual). The service is managed entirely by MarCELL and is separate from any personal cell phone plan you may have with a different provider.

 

Yes. MarCELL is a cellular connected device using Verizon and AT&T networks. Monthly plans start as low as $8.25/month.View plans here.

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Have additional questions?

Our support team is happy to help!

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