I have experience with technology and using these tools to run cables. When I received it it didn't work at all. I ended up having to hit the tee several times to get the transmitter working. The receiver unit picked up all sorts of noise and debris. Signal filtering is terrible. I haven't decided yet whether to return it and buy another model or not. So when you get it, it will be hit or miss if you get a good one. For a professional or a company that needs reliability I would suggest looking for another brand. IT DOESN'T WORK SO I RETURNED IT.
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