Wow 7 mins without protection seems a bit long. Sounds like hybrid is the best option!!

sorry didn't mean to start such a heated discussion 

looks like we've both learned something Nieldmail.

Also don't forget the standard wireless PIR's have a slow pickup response. 

sounds great kit

Ye great kit for a brand new home, no cables!! Easy install bit tricky on the programming when it's only a domestic situation 

24 minutes ago, Simlec said:

Also don't forget the standard wireless PIR's have a slow pickup response. 

These are pet wireless detectors and I've set them on pulse count 1

I would change that to pulse count 2

13 minutes ago, isecurity said:

I would change that to pulse count 2

May do now I'm changing the mode setup

I've just had to UDL our "problem site" again. Its been fine for 6 months.... but just taken a call of Alerts displaying. Radio jam is present and wont clear - every sensor jammed out.. Had a couple of low batteries over the last few days according to log, so presume a faulty device jamming the rest. 50+ ricochet zones. Brilliant. Wireless toss.

1 hour ago, 9651 said:

I've just had to UDL our "problem site" again. Its been fine for 6 months.... but just taken a call of Alerts displaying. Radio jam is present and wont clear - every sensor jammed out.. Had a couple of low batteries over the last few days according to log, so presume a faulty device jamming the rest. 50+ ricochet zones. Brilliant. Wireless toss.

 

Any reason the customer did not alert you to the low battery warnings?

 

Also be interested if changing all the batteries solves the issue. I had a similar experience on my own house alarm, nothing to do with batteries in the end, it was a new mobile phone mast being installed close to the house, and commissioned, obviously overpowered, cleared after a couple of hours not had a problem since. I have a modified PIR I can use to detect jamming, nothing at the back of the house, in constant jam at the front.