
I am very glad that I bought this little detector. I was looking for a cheaper way to scan the sky before flying my drone. I have trouble flying the closer I get to the city. My drone uses the same frequencies as cellular wifi, now I can use it to find weaker blind spots and now I can fly around the city and know all the blind spots better. The IR lighting on the back is very bright. I used it in my shop and it illuminated the back wall from over 50ft, impressive! I haven't used the GPS tracking features yet. All in all this is a good little frequency scanner that can detect IR and GPS. If necessary I will order it again and recommend it to my mother. (Accuracy 4.5/5)

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