Amazon.com.au:Customer reviews: Intercoms Wireless for Home - GLCON Long Range 1 Mile Wireless Intercom System 10 Channel 3 Code - Room to Room Home Intercom System for Business House Office Gate Restaurant Elderly (Pack of 4)
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Our house is small, but on two levels. My wife and I were constantly yelling up and down the stairs. I put an intercom in the rooms where we had the most problem hearing each other, and they have worked wonderfully. I did find the default frequency was in use by someone else within range, so had to change to another frequency. Since then, no interference.
It works, except for one of the four devices wouldnt accept placing calls to #4. Being we only have four devices and ten numbers, it's not an issue for us for we can just skip using #4. But there's clearly some manufacturing issues and potential annoyances for people who are needing all the numbers.
Use these in our home in each room and shop to keep in contact with our Son with Disability's and they work Great have had no problem with them plugged them in and work everywhere, even out in my shop which is 50 yards away.
We have a multistory house and kids all over it. The intercom is a nice way to get them to meals or tell them to get ready for bed without running all over. It has worked well. Sometimes cb users can be heard. We live near a highway. Probably happens once a week.
This is going to sound insane but our intercoms have picked up other peoples channels and I’ve heard various other conversations, arguments, etc. from people I don’t know. I’ve unplugged all of the intercoms now and totally feel unsafe with it. It’s happened 5 times. I gave it a shot and assumed it was my head making it up or something but 4 more times and sure enough there’s other people talking through the intercoms.
I got this for my grandmother to be able to use to contact me since we're on different floors I put one in her bedroom and one in her living room it's loud clear enough for her to hear me through even without her hearing aids