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Dakota Alert MURS Wireless Motion Detection Kit, Base Station Radio

4.0 out of 5 stars 133 customer reviews
| 16 answered questions

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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Frequently Bought Together

  • Dakota Alert MURS Wireless Motion Detection Kit, Base Station Radio
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  • Birdhouse Unassembled Kit
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  • Dakota Alert MURS Alert Transmitter
Total price: $313.19
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Technical Details


Product Description

IDEAL FOR FIXED LOCATIONS LIKE HOMES, SHOPS, AND OFFICES. The Dakota Alert MURS Base Station Radio Kit consists of one MURS Alert transmitter and one M538-BS base station transceiver. This kit is ideal for monitoring activity in fixed locations such as homes, shops or offices. The MURS Alert Transmitter allows you to monitor activity in remote locations up to several miles away. The MURS transmitter utilizes passive infrared sensor technology to send alert signals to the MURS transceivers in order to notify you that someone has entered a monitored area. The transmitter can send 4 different alert messages to the transceiver. The alert signals are in spoken English and are easily selected at the transmitter so that separate zones can be monitored at the same time. The M538-BS is a base station MURS transceiver that receives alert signals from the transmitter. It can also be used for two-way voice communications between other MURS transceivers. This base station has five channels and 38 sub channels to help you communicate with other users. It is powered by a plug-in transformer and can communicate over distances of several miles. The FCC also allows you to use MURS without a license. Although other radio services require a license, MURS is license-free.

Product Information

Product Dimensions 8 x 7.8 x 6.8 inches
Item Weight 1 pounds
Shipping Weight 3.5 pounds (View shipping rates and policies)
ASIN B00FJ9S0W2
Item model number DK-MURS-BS-KIT
Batteries 6 AA batteries required. (included)
Customer Reviews
4.0 out of 5 stars 133 customer reviews

4.0 out of 5 stars
Best Sellers Rank #283 in Home Improvement > Safety & Security > Home Security & Surveillance > Security Sensors
Date first available at Amazon.com September 14, 2004

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
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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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.
Read more ›
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Verified Purchase
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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Tried several other driveway alerts, including an earlier Dakota ( that was junk ) and this MURS system is the best I've found....which is not to say perfect, but lot better than the previous units I've tried.

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.
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