yes i have tried it in a sand box with just one SF item and kept moving the item away until it couldn't find it and it could only find the object @ 21 meters no matter where i tried the range was only 15 to 21 meters. maybe there is another way for the sensor to search i don't know but i have been trying for months on this..... i have tried everything some time's when it in the middle of 100 crops you will see a item get collect 60 meters away but that was very rare.....

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