Control Freq Reviews

4.96 Rating 157 Reviews
100% of reviewers recommend Control Freq

About Control Freq: Control Freq was started in 2007 with a clear vision of what mobile technology could be.

Eleven years ago, the basic concept was to utilise mobile phones as remote controls, instead of keyfobs, to open security gates. Trying to introduce mobile technology 3 months before the first iPhone was released was unfruitful to say the least.

Control Freq persevered to develop one of the first GSM intercoms ever introduced. This itself was a learning curve resulting in a what is a now a company developing a variety of solutions, for a range of applications across global industries, using mobile technology exclusively.

That original idea, of mobile phones as remote controls, has now evolved into a full access control system for on-demand, 'Airbnb style'​, secure parking with contracted rollouts all over the UK

Maintaining focus on mobile technology, or more specifically mobile connectivity is the same today as it was 11 years ago when we started. Control Freq now creates mobile IoT hardware and software to solve issues in a wide range of applications.

If you're looking for a mobile tech solution, call us on +44(0)1273 25 70 60 or visit

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+44(0)1273 257060


4 Longley Industrial Estate
New England Street

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"A real interest in solving my problem and a response which could not have been faster, Very impressed"
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Thanks Barrie! It may be one of our products from 6 years ago but the fact is, it's one of our products. Happy to help. Best Noel
"By responding and carrying out my request in 36mins."
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36 minutes is a bit sluggish TBH! Sorry about that :) Noel
"Brilliant support even after 4 years of purchasing"
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Many thanks. Glad we could sort it out for you. Noel
"I purchased a 1 button GSM intercom c/w keypad for one of my customers. I found it to be an excellent product and had great features, it worked perfectly and also the tech staff are very helpful especially Noel who dealt with my order and even the initial programming to get me up and running on site. I would highly recommend this company and will be using them again. Tony Byrne Director ATB Electrical Systems Ltd"
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"I'm from the U.S. where 2G was shut down as of January 1, 2017. I have used a GSM intercom for many years and this is my third unit. The first quit working (American made) and their support tried at first but dropped me when nothing else worked, this unit was just okay. The second one came from the UK but different company and had some problems and support was excellent although I am the one that fixed it (my phone messaging was on "unicode" rather than "automatic", which was probably the issue with the first unit). The second unit was 2G and that company did not have a 3G version. After a lot of internet searching I found Control Freq and from what I could see was the best unit out there. I bought the 3G GSM intercom (my third GSM unit) and I have to say the best quality of all three. I did have some issues but Noel got me back on track and it works beautifully! While it is a bit more expensive than the second unit I had which was all plastic this one is all metal and stainless steel. I am not a big "app" person but this one comes with that option and is very easy to understand and use for programming and operation. Needless to say I am very satisfied with my purchase, Thank you Noel and team for a Great Job!"
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"Excellent after sales service, even years' after product was supplied still providing quick and efficient technical support. Thank you Noel."
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"Instant response to the enquiry even though the guy was abroad! I sure the gizmo I have ordered is as good as the service so far.. so I can be back on here with a glowing update. Keith"
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"After trying and using similar products on the market for GSM Remote Control we found Control Freq provided the best technical advice for our pumping application. They offer great aftersales service and make the install and set up very easy."
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"Very happy with the product and the new sim. Significantly better value gsm monitoring than BT Redcare."
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Thanks Jon, it's nice to hear we're also saving our customers money! Cheers Noel
"I would like to pass on my thanks for the GSM intercom unit’s we have purchased from you, we normally use Videx, but after trying yours there is no comparison, we no longer have to go to site to add or delete users everything can be done from the office on a laptop, also your service, customer help and Tec support is second to none."
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"Prompt reply to my queries"
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"This will be the 4th control freq we have purchased for our biomass boilers. Simple and cheap to install. Very effective."
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"Excellent service and always very good Equipment. Noel you're a star!"
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"Good product. Technical support A++ very helpful."
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"Best sales team and also the company had the cheapest price offering for the product I purchased. Well knowledged technical team (specially look out for Noel) and Excellent after sales service too. Strongly recommend the company ."
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"Prompt reply from Mr. Noel. Good service"
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"Excellent service, gave more than asked, and in a very timely fashion, i would happily use again and refer to others, many thanks :-)"
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"Now I'm not someone who writes reviews, but the back up service from this company is excellent, we have an intercom which wasn't working correctly and Noel quickly worked out what was wrong over the phone and fixed the problem, could not recommend them highly enough. Will buy from them again. Sarah Kay."
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"Professional, polite, knowledgeable and very helpful. Thank you very much."
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"Excellant Service and and Support, will definitely use again"
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Control Freq is rated 4.96 based on 157 reviews