Building Biology | Baby Monitors
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Baby Monitors

Baby Monitors


Digital (DECT) baby monitors are of particular concern because of their close proximity to the baby and the fact that they use the same frequency as mobile and cordless phones!

Baby monitors warrant special mentioning in light of their close proximity to the baby. Some models may emit a high magnetic field if they are fitted with a cheap inefficient transformer. Furthermore, the digital (DECT) cordless models may also expose the baby to the same types of radiation as a mobile phone. Talk back models are not recommended as the units continuously emit pulsing radiation even when noise is not being made. Similarly, camera and video baby monitors should also be avoided as they require a higher power output.


Testing baby monitors requires various equipment depending on whether it is cordless or hard wired. For details, click here.


Baby monitors should be avoided. If however you insist on using a monitor:

  1. keep it at least 1 metre away from the cot
  2. set it to voice activation mode to prevent it transmitting continuously
  3. choose a cordless analogue model (they only have 2 to 4 channels) as they use a lower frequency than digital models
  4. avoid using the talk back models as both units continuously emit pulsing radiation even when there is no noise
  5. avoid camera based monitors and video baby monitors as they require a higher power output.

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