FAQs for the SIM Portal

How can we help you?

Below are our frequently asked questions. If you don't find the solution to your problems, feel free to contact our customer service team here.

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Whilst your preferred mobile network might provide suitable coverage for much of the time, there are occasions when due to network problems or your location in the UK, your mobile signal may be poor, intermittent or simply unavailable (not-spots). CPR Chameleon solves these problems. The smart SIM technology provides the highest level of mobile coverage, by accessing all EU mobile networks, to find the strongest signal, giving you the best possible mobile coverage when you need it most. As a result we are the ultimate choice for GPS tracking devices such as the WATCHU tracking watch.


  • Unlimited tracking
  • Unlimited phone calling
  • Never lose signal with our roaming SIM
  • Unlimited SOS calls.
  • Unlimited heart rate testing
  • Peace of mind



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