Control Freq uses Google+ to present up to date info on GSM intercoms

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Not all GSM intercom systems are created equal. Some are fading into the shadows while others are pushing the technology to the next level. Get the latest info on GSM intercoms in a clean, clear and and easily digestible format. Check out our Google+ GSM intercoms collection and subscribe to updates for the latest articles. #FutureGSM

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Adopt a Phonebox - Help Save lives!

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The Community Heartbeat Trust, one of Control Freq's customers, is making a difference in the community and saving lives... Turn your adopted BT telephone box into your village medical centre! The famous Gilbert Scott designed K6 or Jubilee kiosk was launched in 1936 to celebrate King George V’s silver jubilee. By the 1960’s almost 70,000 kiosks could be found across the countryside, and while the public payphone service has undergone enormous changes since then, the traditional red kiosk had already forged itself as an iconic symbol of British life.   In this regard BT and The Community Heartbeat Trust, are...

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What do I need to use my mobile phone as a remote control?

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The answer to this is quite simply, the G-CALL GSM controller. It's a very simple and extremely reliable device that enables your phone to switch it with a free call (missed call). The call is not answered and therefore never incurs a cost.  All that's required is that you connect the G-CALL GSM remote controller to your equipment, be that a gate, door, lock, light, pump, server reset switch, you name it... It doesn't matter. The  G-CALL is quite simply a switch. The only difference is you call it to turn it on or off instead of a typical switch that you...

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What GSM door entry intercom do I need?

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A GSM door entry intercom is a SIM card based device that works on the mobile phone network by utilising the SIM card for connection. Now, GSM door entry relates to the fact that you may want to open a door or gate, or garage door. Intercom relates to the function that connects the audio between the unit and your phone. If you don't have a door to open then you are just using the intercom function of the system and not the door entry function. Control Freq supply own brand GSM door entry intercoms and also from manufacturers such...

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What is a GSM alarm dialler?

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A GSM alarm dialler is a SIM card based device mobile phone network by utilising the SIM card for connection It doesn't have to be used with an intruder alarm system. It also works with fire alarms or any kind of alarm sensor. For example, you could have a photocell across your driveway. When someone passes through that invisible photocell beam, the GSM dialler will sense it and send you a text message. This is just one example. It cold also be used to let you know if a PIR sensor has been activated. The typical use for a GSM...

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