I am looking at using a wireless door contact and would like some advice on the receivers, Ideally I want to use between 1 to 4 wireless door contacts going back to a reciever with an output terminal nc or no to trigger a DVR to record, are there any basic systems that will allow me to do this.

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Tried and tested products used in the alarm industry with available single or multi-zone receivers:-

http://www.fmelectronics.co.uk

Chhers, just what I need I think

could also try visonic equipment they're pretty good too

but Fm Electronics are good too

Guys, Thanks for the advice, I ordered a 4055-GB 6 zone wireless receiver and 6 4105 wireless contact transmitters from FM Electronics and have to say I am very impressed with the ease of use and build quality.

Tried and tested products used in the alarm industry with available single or multi-zone receivers:-

http://www.fmelectronics.co.uk

took the words outa my mouth there FM are very good and good range too

Edited January 13, 200620 yr by karl@TSS

Been working with fm for years. Have been testing their radio pet immune detection for a while and i have to say its better than most hard wired. Not been told of release dates as they are working hard on 50131 at the min.

They also have a very nice little gsm/pstn/tetra communicator they do. Just plug in a gsm card and away we go. Only 8 channels at the min and the programmer is