SpotterRF 7X Radar Increase

Author: Brian Rhodes, Published on Sep 23, 2013

Last year, SpotterRF drew attention releasing a low cost, ground-based radar unit for intrusion detection. This year, the company is ramping up their portfolio and introducing a unit with wider coverage range, and a new integration server to simplify IP camera integrators. What specific advantages do these new models bring to the table, and how much do they cost? We cover the details inside.

Radar Detection Overview

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Comments (4)

1. Wouldn't topographic obstructions block the view if you were using cameras just like it's blocks the radar waves? Given of course an opstruction closer to the emitter would create a larger blind spot over a large region of area.

2. Immune to shadows and flashing lights, but how does it do distinguishing branches and other foliage waving in the wind, and small animals?

Hello, Undisclosed:

1. Yes, the closer an obstruction is to the source, the greater the 'blindspot' angle becomes. Actually, I think the correct expression is the 'reflectivity' of the obscuring object shrouds what is behind it.

2. The concept of 'reflectivity' is central to radar. Consider a 'stealth' aircraft compared to a traditional airplane; the features like the inlets, exhaust, windows, and access panel shapes all contribute to the 'reflectivity' of the object. If you minimize the reflectivity of those features, you can have a huge airplane that appears no bigger than a soccer ball to a radar.

The SpotterRF radar tunes itself to listen for 'reflection strengths' similar to humans and vehicles, but excludes small things like leaves and rodents. This isn't to say those things cannot theoretically cause false alarms - thick foliage absolutely can - but typical trees, shrubs, and wild dogs can quickly be excluded for the signatures most typical of 'real' threats.

As an authorised reseller and integrator, i'd like to add that SpotterRF's Radar sensors use a sophisticated filtering algorithm to detect and remove false tracks caused by foilage and targets of no interest. This algorithm is configurable on each unit to allow tuning of the system to your needs, such as being able to set a minimum detection speed, etc.

Better integration of this technology is to not just rely on the radar sensor alone, but allow the radar unit to cue a ptz to actively track targets in an area of interest, as well as perhaps trip physical alarms when a boundary is breached. As mentioned in the article, it is primarily suited for intrusion type detection, high security facilities, etc.

We use this product in an undisclosed location to track specific types of wildlife. We actually asked SpotterRF to write a milestone plug-in for auto ptz (on their TIO Unit). We recently applied the update and are extremely pleased with the overall results. We've paired it with a Canon PTZ (2.1MP) and the results are stunning. We are not using the C40, rather we chose the C600 (340 Acres of coverage). It picks up moving objects at the outer edge (1200-1500M). The only issue I have with RADAR in general (and this is not a SpotterRF issue) is any object moving in a horizontal plane to the Radar will not be identifidied until they are heading in a more "direct route" to the RADAR. When I get a chance to publish the study we are using this for, I'll provide the article to SpotteRF and post it here as well. Frankly, for the price, there is no better option for covering large open spaces. I would agree that the target audience is more focused on Governmental or Larger Commercial entities that need to track, follow and alert objects at extreme ranges. Very pleased - is all I have to say about this product. The limitations of RADAR are just that - limitations and should be considered before using this or an line-of-sight product. IT can't see over hills (and wasn't designed to do that). Eventually, however, the object has too cross the ridge and then it's a painted target - immediately. I encourage anyone working with this product to UNDERSTAND how to configure and tune the unit. Do not think that you can just put this up without training and configuration support - that would be very foolish and disengenuous to your customer / project. These units are very configurable and have an extermely simple web-interface that is not loaded down with a bunch of "crap". This is a fine example of American ingenuity where Engineers and GUI designers worked well together. Ok - enough of my musings. All of I have to say, Great product and people.

Thanks - Ed

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