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Alarm panel advice/replacement
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<blockquote data-quote="chrisc" data-source="post: 760891" data-attributes="member: 746"><p>In theory it could, but to overcome this, you can use 2 SIM cards in the cellular transmitter. The problem with radio comms, be it cellular or analogue radio, is that there is no confirmation of receipt. Only telephone comms does that, the alarm panel must receive a "kiss-off" signal from the monitoring base station in order to stop transmitting. If you have an underground phone cable this makes it more reliable</p><p></p><p>If course, a well planned burglary will include some sort of jamming device. However, 99.5% of domestic burglaries are opportunistic occurances. The intruder might have walked past the house a number of times to check for the presence of dogs, outdoor alarm devices and people, but does not bring anything sophisticated with him at all</p></blockquote><p></p>
[QUOTE="chrisc, post: 760891, member: 746"] In theory it could, but to overcome this, you can use 2 SIM cards in the cellular transmitter. The problem with radio comms, be it cellular or analogue radio, is that there is no confirmation of receipt. Only telephone comms does that, the alarm panel must receive a "kiss-off" signal from the monitoring base station in order to stop transmitting. If you have an underground phone cable this makes it more reliable If course, a well planned burglary will include some sort of jamming device. However, 99.5% of domestic burglaries are opportunistic occurances. The intruder might have walked past the house a number of times to check for the presence of dogs, outdoor alarm devices and people, but does not bring anything sophisticated with him at all [/QUOTE]
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