Help selecting new intruder alarm

[PeterJames]

1 hour ago, Hollanda said:

Of If I opt out of a sim during initial installation, is it fairly straightforward to retrofit a sim later? I imagine it’s some “plug-in” sim module I can add later?

If you have wifi version then its a simple case of switching on the sim, if you dont have either then its a case of plugging in a module.

Im probably the only NSI gold company here that covers South London Al-Yeti covers South London but he is not accredited