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Letter Re: MURS Alert Intrusion Detection System Product Review
Jim,
I received my MURS
Alert intrusion detection system last week, and have given
it
a
good
preliminary
test. So far, so good. I am very impressed with this unit. All I had to do was
turn a couple of dials to tune it to the channel and sub-code that
I
wanted it on, and it was good to go. Although I did disable the red “walk
test” light,
because with it turned on, it looked like a one eyed beast
at nighttime when it tripped. The only other thing I did and that I highly recommend
is that you put a small desiccant [packet] inside the unit before you
deploy it. What is really nice about this system is that [because it is wireless]
you
can
easily
move
it
around to suit your needs. During the day, I have it stations in the
front of my house to warn me if someone approaches. And during the night, I have
been pointing it at the door to my “safe room” (a reinforced outbuilding
beside my home) and keeping the radio beside my bed. The range on the unit also
seems to be very good. I live on the edge of a small town, and I drove into town
a little over a mile. I then called my wife and had her walk in front of the unit. My radio responded clear as a bell…”ALERT
ZONE
ONE, ALERT ZONE ONE, ALERT ZONE ONE’ in a clear “five by five” signal
level. The unit has not false alarmed one time, and has alarmed every time it
should have. You can’t ask for more. As I noted in a previous post,
it is very important to “terminate” the “beam” on an object
within its range. This is needed to give the infrared detector a good reference.
Problems start to occur with this type of detector when the beam is hitting nothing
but air.
Then they may false alarm, or not go into alarm at all. I now intend to purchase
three more of these detectors (as they can be set to report four different zones)
and use them to secure a perimeter around my campsite the next time I go looking
for Bigfoot up in the Pacific Northwest. - Actually, it is always nice to know
if a bear is snooping around close by in the middle of the night.
Last night we had a big storm roll in off the Pacific coast. The rain came down
sideways as the wind gusted to over 50 MPH. This is very hard for any passive
infrared (PIR)-based
detector (like the MURS Alert) to deal with. However, the system came through
with flying colors. It did not false alarm one time. And to make sure it would
still alert under these extreme conditions, I put on my rain coat and walked
into the sensing area. When I came back inside, the wife told me that it had
indeed tripped as it should have. Man, am I ever sold on these things! - Gung
Ho
JWR Replies: Thanks for that review. As previously
mentioned, the MURS
Alert intrusion detection system uses frequencies that can be programmed
into MURS band walkie talkies, (such as the slightly used surplus
Kenwoods sold by MURS
Radios--one of
our advertisers.) A transceiver than you can carry on your belt tis
a very handy way to keep informed of perimeter
intrusions. Best of all, it
can be used a long range walkie talkie and it
can also be programmed to receive 2
Meter and Weather Radio ("WX") frequencies. I'd
classify that approach as
a huge "win-win."
