Best Deals on Home and Business Security Systems
– Dakota Alert long range alert system kit- Includes one WMT-3000 wireless motion alert MURS transmitter and one M538-BS base station transceiver- Ideal for use in fixed locations such as homes shops or offices- BlackDKMURSBSKIT
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Super Super Value,
Here’s a device that does what it says. I’ve been able to hear the alerting transmitter as far away as six miles.
This unit operates on MURS channels which are in the VHF spectrum between
151.82 mhz and 154.6 mhz, respectfully.
This means that this unit is also fully compatible with the Dakota MURS intercom system.
I have both and have units in my Shop, Barn and House.
I am able to hear an alert on all three and intercom as well.
I almost never have any false alarms. I’ve mounted the alarm unit on a tree at about 4 feet elevation. The beam width if fairly narrow but detects cars, people or animals out to about 50 or 60 feet.
One nice feature allows an external contact closure at all of the receivers when an alert comes in.
This could be used to open a gate or perhaps another outside alarm or even a garage door. Lot’s of possibilities here.
Dakota also makes a hand held unit that could hear the alert and also intercom with all the rest of the units in the system.
Great for us farm operators that might be out in the pasture working.
Care should be given when adding to this system as Dakota also makes a short range alert transmitter that looks like the MURS units. It is not the same and operates on UHF channels.
Make sure the device stipulates MURS or VHF operation.
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|Excellent Driveway Alert System,
I have 80 acres adjacent to a national forest. My gate is approximately 1/4 mile from my house. My driveway winds through heavily wooded areas and around a small lake to my house. I have needed a long range driveway alert system that would transmit through heavy forest. I have been extremely pleased with the performance of this system. I have had very few “false alarms”. I suspect that they were deer or coyotes. I purchased the “bird house” to hide the transmitter and it really looks like it is a bird house (except, if you look really close, you will see an antenna coming out the roof. I was going to wrap the antenna with camo tape, but it was not really necessary since from about 20 ft away, you can’t really see it. I also purchased a hand-held receiver for when I am working outside or walking in the woods. I can also use it to communicate with the base station. Good value! The only improvement I would make to the design would be to transmit sound and maybe a picture, but that would make it much more expensive, stretch the technology, and use up batteries too quickly. I am happy with what I have.
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|I own the entire set…,
I own the entire set- the base station, two walkie-talkies, two motion sensors, and two of the driveway sensors. I’ve been using the setup for about six months without any problems, the units are great.
I used the driveway monitors, which are buried seismic sensors, to alert when vehicles near my gates. The motion sensors are placed inside the gates. The buried sensors are more accurate so they are placed on the perimeter. Once dialed in correctly, the motion sensors detect vehicles and humans with minimal false alarms. Most false alarms here on the motion detector are caused by wind blowing nearby bushes.
The range is fairly decent for my purposes, the farthest sensor is about a quarter mile, maybe a third, from the base station. The base station will pick up signals better than the hand unit, but both are adequate and are fine. I have clear line of sight without obstructions, and the antennas on each end are placed high (15′ high for the gate sensor, 7′ high for the indoor base station.)
I’ve yet to change the batteries in any unit after six months. At first I did have some issues with constant false motion sensor alarms which required strategic placement and settings inside the motion unit.
Other than that, this setup is exactly what I needed at a decent price. Five stars.
UPDATE Jan 2012:
I’ve been using these units for over three years now, and they’re still great! I have added a second base unit, with now a total of eight sensors. Six motion detectors and two buried magnetic sensors. My outdoor dogs have learned to listen for the interior base unit alarm.
The motion detectors work best for sensing humans and wildlife, while the more accurate and reliable magnetic sensors are best for sensing vehicles. The 12″x1″ magnetic sensor can also be placed above ground, doesn’t have to be buried. Once set up properly, these units work daily without fuss.
I live in a high lightning area and have lost three motion units due to electrical storms. I’ve sent each back to the factory for repair for about half the price of a new one. Good service. I should mention that I have the transmitter units mounted on steel posts, which is probably attracting the lightning. I plan to change the steel posts with wood stakes.
The range continues to be strong at 1/3-1/2 mile, no problems there. Haven’t tested longer lengths but the signal is very strong at the base station. With the proper conditions (no obstructions) and frequency matched high gain antennas (if they exist) it would seem the range could be extended to 1.0 – 1.5mi easily.
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