Dakota Alert MURS Wireless Motion Detection Kit, Base Station Radio
|Price:||$179.99 & FREE Shipping. Details|
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- Ideal for 2-way communication with other MURS transceivers
- 5 channels
- 38 sub-channels
- Can communicate over several miles
- Passive infrared sensor mounts easily on tree or post
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|Item Dimensions||6.8 x 7.8 x 8 inches|
|Item Display Weight||4 pounds|
|Shipping Weight||3.5 pounds|
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Top Customer Reviews
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.
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.Read more ›
Have both the magnetic probe and the motion sensor transmitters. The magnetic probe is a battery eater compared to the motion sensor, using a set (6 AA ) of batteries about every 3 months compared to the motion sensor, I get about a year on that unit. Both are set on my driveway, ( which is 1500' ) and the motion sensor actually goes off more than the mag probe, due to deer and my dogs setting it off, but uses batteries less.
Had the units about 5 years now, and still operate reliably.
Couple notes if you use this product:
1. When the mag probe batteries get to a certain point of discharge, the "Alert Zone" will start to sound every 60 seconds. This is your message to replace the batteries. First set of batteries I put in my new unit apparently had a bad battery of the six ( brand new, out of the pack CopperTops), so the unit starting sounding off every 60 seconds. Called Dakota, they had no clue, sent me a new unit....which, of course, did the same thing.....they sent ANOTHER ( all at their expense, I give them credit ), and it did the same thing.....finally, I tried another set of batteries....BINGO. Put a voltmeter on the other batteries, and sure enough, one of them was doornail dead.
But the AMAZING part was Dakota didn't know their own product enough to say "change the batteries" the first time I called !
2. Set the motion detector transmitter in a location where you have a backstop about 20-40' out in front of it.....like a dirt bank, or a building wall, etc.Read more ›
Most Recent Customer Reviews
my receiver in the house. does not say anything any more. It is still new. About Christmas Thanks
Says 2 miles, wouldn't work 1/4 mile away line of sight with no obstructions other than a few trees.
Works at 20 feet, but so does a $10 alarm.
Highly disapointed. Read more
Works very well, esp. in combination with other MURS products. Used for bear detection in the mountains.Published 12 months ago by Trevor Ycas