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$100 OFF + FREE Installation. Limited Time Offer! Discount will be Applied at Checkout.

More secure, burglars can't cut wires or phone lines.

With cellular GSM Connectivity, a cut phone line doesn’t compromize the system.  Supports internet-based control and monitoring.

Other  companies charge extra to upgrade to cellular monitoring equipment. Our cellular equipment and monitoring is the same price or lower than ADT© charge for basic equipment with old telephone land line technology.  See our price for cellular alarm monitoring.

How cellular alarm monitoring & interactive monitoring services work

For burglars, it is incredibly easy to cut your phone line. For most houses, disconnecting a phone line is as easy as getting to your backyard. If your security system communicates over a basic telephone land line, cutting the phone land line cuts off all communication and the monitoring station will not be able to receive any signals. Cellular Monitoring Service eliminates this threat, because it is wireless and tamper proof.  Choose from GE® or Honeywell solutions.

Benefits of our Cellular Communication Platform

  • Dedicated Wireless Connectivity
  • Patented Crash & Smash Protection
  • Seamless Central Station Integration
  • Industry-First Wireless Two-Way Voice
  • Remote Control from any Internet-Enabled Device or Computer
  • Real-Time Notifications for Important Events Live Video and Recorded Clips On-Demand
  • Property Views with Breakthrough Image Sensor
  • Remote Monitoring and Control of Lights, Locks and Thermostat

Get the Best Wireless Signaling Solution.’s dedicated wireless signaling delivers complete protection, even if the phone or Internet line is cut, the power goes out, or the control panel is damaged. The wireless radios, powered by the control panel’s backup battery, will continue to operate for 24 hours during a power outage. Also, unlike other systems, can detect a Crash & Smash event in progress and immediately alert the central station of the possible alarm event, even if the security control panel is destroyed.

Use Your Existing GE® & Honeywell security equipment

With our Cellular Monitoring Service we offer true flexibility for your home security monitoring service. There is no need for any type of home phone service or internet connection, because with cellular monitoring our GE® or Honeywell home security system will have a dedicated wireless connection between your home and our central monitoring facility.  When you select our Cellular Monitoring Service you will receive an upgraded GE® or Honeywell® command station with a built-in GSM cellular device.

There are a growing number of households that, for one reason or the other, are choosing not to install landline telephone service.  In the past, this would have made having a monitored security system impossible.  With our Cellular Monitoring Service you can have complete 24/7 security monitoring even if you don’t have land line telephone service.  Even if you have a phone line, we recommend using our Cellular Monitoring Service.

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Why Reliable Home Security

  • Lowest Price guarantee stamp

We work hard to offer the best price for equipment and monitoring service possible. We rely on customer referrals and reviews to help spread the word. We only get referrals and reviews if we deliver great service and value.

"We found Reliable Home Security to be the best home security company in Denver thanks to its excellent customer service"

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Over 15,000 Colorado Homes Protected

Rated 5 out of 5 stars by our customers

A great example of a quality local company

Sarah F., Littleton, CO

I found Reliable Home Security here on Yelp and decided to purchase their security system for my home because of the great rating and reviews. I also researched a lot of other home security companies but, Reliable proved to offer the best quality for...

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This is how you retain customers

Darrell M., Aurora, CO

After my original post, I was contacted by (Matt 1) from the local office and he promptly offered to send someone out asap to resolve my issues. The tech was professional and courteous throughout while trying to troubleshoot the issues. The system is...

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Affordable Security System

Matthew C., Fort Collins, CO

From my first telephone contact with Matt to the install with Vincent, my experience with Reliable Home Security has been outstanding! Matt was extremely knowledgeable about home security systems and he didn't try to sell me something I didn't need. ...

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The Camera Feed Is High Quality

Aubyn R., Denver, CO

Great experience. I got four cameras installed and they took the time to hide all the cables and just generally put a lot of effort and care into everything. The camera feed is high quality and the cameras are very low profile. I would definitely rec...

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Local Company For All Your Security Needs

Michael R., Denver, CO

Matt showed up at our new townhouse last week in Sloans Lake and got right to work efficiently wiring and installing and configuring our new security system- he finished quickly and then patiently and expertly explained how it worked to both of us an...

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Prices very reasonable

Katie C., Golden, CO

Where do I start. We had started a security plan with a different vendor who was independent. In the end he could not get the job done. 6 months later I am trying to find a company that can help finish the job. This was a large project with cameras, ...

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Better than ADT Pulse & Lower Monthly Payment

Michael M., Colorado Springs, CO

I don't often write reviews except when my expectations are exceeded. I called Reliable Home Security on a Tuesday after my previous monitoring company of 16 years let me down. The sales process was very low key and straightforward and they were only...

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User friendly control panel

Carol B., Denver, CO

Really glad I went with this security company. Matt called me within minutes after I requested a quote online. He was very thorough, answered all my questions, but wasn't pushy at all. Collin came to my home to install the system within just a coupl...

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24 Hour CCTV Recording

Scott B, Brighton, CO

Jim has excellent customer service. We run a small, but very busy business from our home and wanted 24 hour CCTV recording. Jim consulted with us on the best type and location for the cameras. We scheduled the work and Jim was careful during the inst...

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