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I'm confused - are you now denying that burglary is an issue in the UK?

Also, the ARF is not a "breakout board". I suspect electronics and RF is also not a strong point of yours.

What's with the strawmen? I haven't claimed that burglars are using ARFs. Just that they could be used, and it would be my platform of choice. If I were to program these and start selling them on eBay, there would be no requirement at all for the burglar to have any skill. Where are you...

I don't sell alarms. £300 would get you a Pyronix Enforcer or Texecom Premier Elite, both of which use FHSS. Why would I not know what that means? A big padlock for a garden gate wouldn't normally be a very wise purchase to improve security. But then, I am speaking to someone who has removed...

Interesting, must have just not got the right people. Thanks.

You are just being obtuse. I've answered, very clearly, and you haven't/

I'm unsurprised you won't answer the questions.

I don't, that's why there is a question mark at the end.

What about wired tampers? You don't see them attacked in most break-ins either.

So all the more expensive alarms with things like 2-way RF, encryption, frequency hopping, active detector polling - all a scam?

Let's be blunt - if all you have is £150, then even with Yale you are not going to get great protection on a normal house. 2 PIRs and 2 DCs are not enough. You'd be better with a bellbox and spend the remainder on upgrading physical security.

That's a terrible analogy, as often car ones are. You can't buy an Allegro new. This is more akin to buying a new car that claims to have ABS but then it turns out it's turned off by default because it doesn't work properly.

Indeed, if they are prosperous they could spend £300 and get a much better system with jamming detection that works, as well as improved battery life and immunity from interference.

What was the original assertion? I don't think that jamming is happening frequently, as I clearly state in the blog. I've had people contact me about their alarms not going off when armed though, but with graded alarms included. One of these appeared to be a brute force attack on the bus from a...

Yes, if your program it to. It's off by default: "Chime off is the factory default"

http://www.yale.co.uk/en/yale/couk/productsdb/alarms/hsa-6000-series/HSA6400/ No remote keypad, no fobs. Many only have this for their install, and barring the arming beep from the siren (which is pretty quiet and hard to notice if you are inside), jamming doesn't show up in day to day operation.

Does that ever happen? I took down a bell box on a disused house after it had been ringing for over 18hours, we couldn't get the police out and owners uncontactable.

Except the standard Yale package doesn't chime, doesn't have a remote keypad, and doesn't have fobs.

Not sure. The module doesn't have a specific part number and I can't find datasheets. It's likely superregen rather than superhet.

Yes, these are AM. The type of receiver it is has a fairly wide reception band. I'm not really sure what stage the RSSI is generated on them. Some just detect a carrier, some only when there is a signal that is modulated approximately at the frequency that would be sent normally.