james.wilson Posted September 22, 2021 Share Posted September 22, 2021 34 minutes ago, colin20 said: This would help alleviate my wife's worry about wireless transmitting all the time in a room. Some points. If a battery device was transmitting all the time with the size of the battery they have, how long do you / she think it would last? Also the power transmission is very very low, tv radio etc would be in the area all the time. I assume she doesnt use a mobile phone? Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
PeterJames Posted September 22, 2021 Share Posted September 22, 2021 43 minutes ago, colin20 said: Hello PeterJames, can you give me a website link that shows me and particularly my wife, that the wireless smoke detectors do not transmit all the time and instead only transmit wireless when activated. This would help alleviate my wife's worry about wireless transmitting all the time in a room. Hi Colin I doubt any of the manufacturers would actually state that they dont transmit all the time anywhere on the paperwork. Between me and you, its sort of obvious this is how they work. If they transmitted all the time they would be telling one and other to sound all the time. Think about this logically if you want a light to come on in your house you have to switch a switch. The smoke detectors work the same way, if they want to tell the other smoke detector to sound they transmit a signal. If they worked the other way around it would be a waste of power, and if you had more than two detectors it would never work as the ones not triggered by smoke would still be constantly transmitting So in basic terms: These type of detectors are activated either by smoke or by a wireless signal from another detector. For example if smoke is detected in the hallway, the smoke detector in the hallway sounds and at the same time tells all the other detectors in the house by transmitting a signal this tells the other detectors to sound. All the smoke detectors are waiting to recieve a signal all the time, albeit wireless or smoke, but receiving is not the same as transmitting in the same way that listening is not the same as shouting I hope this helps Quote Link to comment Share on other sites More sharing options...
sixwheeledbeast Posted September 22, 2021 Share Posted September 22, 2021 It will vary by model and manufacturer, in theory they could poll each other I doubt the majority for domestic do. If they are mains powered and radio interlinked then battery power is less of an issue. I fully agree that the emissions from this stuff is negligible your neighbours WiFi, nearby cell towers, traffic lights....(list goes on) will be emitting more energy. I have already posted a type suitable if you don't want wireless. Quote Link to comment Share on other sites More sharing options...
PeterJames Posted September 22, 2021 Share Posted September 22, 2021 Its very unlikely that they poll each other, what could be gained by this? Its different if they were polling a control panel as the control panel would tell you a detector had failed to poll. But there is just nothing to be gained polling between detectors on their own. Quote Link to comment Share on other sites More sharing options...
Shaunb1905 Posted September 24, 2021 Share Posted September 24, 2021 They will never be able to police this. Will only come about when you try sell your house surely? Quote Link to comment Share on other sites More sharing options...
PeterJames Posted September 24, 2021 Share Posted September 24, 2021 34 minutes ago, Shaunb1905 said: They will never be able to police this. Will only come about when you try sell your house surely? That's what I said, but house sales would be a problem, and if there is a fatal fire someone will be prosecuted, just like in the uk Quote Link to comment Share on other sites More sharing options...
Shaunb1905 Posted September 24, 2021 Share Posted September 24, 2021 Just stick some grade F, Aicos in. About £50 each. Job done Quote Link to comment Share on other sites More sharing options...
al-yeti Posted September 25, 2021 Share Posted September 25, 2021 I don't get the op he's worried about WiFi? And not worried about anything else , so what about his neighbours ? And everything else Op has no idea how much RF is floating through there heads..... Quote Link to comment Share on other sites More sharing options...
PeterJames Posted September 26, 2021 Share Posted September 26, 2021 On 25/09/2021 at 08:27, al-yeti said: I don't get the op he's worried about WiFi? And not worried about anything else , so what about his neighbours ? And everything else Op has no idea how much RF is floating through there heads..... That's what the tin foil hat is for dummy! 1 Quote Link to comment Share on other sites More sharing options...
colin20 Posted September 28, 2021 Author Share Posted September 28, 2021 (edited) Going by the above, it looks like there is no longer any 9V battery interconnected hardwired systems anymore, pity. So its either wi-fi or hardwired 240V systems or stuff this new law. I will leave it at that thanks, Edited September 28, 2021 by colin20 Quote Link to comment Share on other sites More sharing options...
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