Question about Fisher Price Long Distance 900mhz Baby Monitor
Unfortunately, the humming is one of the characteristics is this monitor. Read this blog on the monitor, and it will explain why (interference, background noise, etc.) http://babyproducts.about.com/od/recallsandsafety/gr/fisher_price_900_mHz_long_distance_baby_monitor.htm
Apparantly, the monitor will not work in some homes without the humming (a pretty common complaint of the device). There seems to be no remedy, since it's an environmental interference, and since the unit is analog, it is susceptible to noise, thereby creating a humming sound.
The microphone sensitivity also contributes to the problem. Here's an excert from the review explaining this:
The fairly sensitive microphone plus the analog signal mean that this baby monitor will probably transmit a constant, low hum of background noise and quiet static. This is a common problem with analog baby monitors, though. The low noises that come from the Fisher Price 900 mHz Long Distance baby monitor are not worse than other comparable baby monitors. The noise also does not drown out any baby sounds, so you should still be able to hear your baby quite well. If you want the monitor to be totally silent between baby's cries, though, you'll need to spring for a digital baby monitor.
Sorry to have to report the bad news, but the noise seems to be an inherent problem, mostly due to the analog design. The "fix" to this problem, what what they say, is to purchase a digital monitor. They are more immune to noise, humming, etc. Hope this answers your question, and again, sorry it's not a solution to the problem you're having.
Posted on Jun 02, 2010
Sorry but this is the nature of most analogue baby monitors, they are very prone to picking up stray signals hence the hum, there are some available that switch off until an actual noise is detected but if you really want one that would do away with this hum altogether I would suggest you buy a digital (DECT) monitor.
Another point worth mentioning is analogue signals are not secure or encrypted like digital so anybody nearby can listen in to your frequency if they have a similar receiver
Hope this helps
Posted on Jun 02, 2010
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Posted on Jan 02, 2017
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