Does the transmitter signal go through metal (aluminum)?
801146
i have mine under the bumper of my truck and the receiver in the fuse box and it transmits just fine with occasional interferance.
801147
I am sorry to say I don't know. The unit I received did not work wireless for me, but since we were in the middle of installation we had to hard wire the unit. The transformer must have been defective. Picture quality is good.
1779396
I mounted my inside receiver to the jamb of window facing outside unit that I mounted inside of the bird box sold separately. My unit works lide a charm. I do not know about signal going through metal wall . I would not take anything for my unit. I would stilll give it a 5 star. Wife especially loves the Dakota alert she know knows when anyone is coming up drive. Cliff
1499773
Well I don't know for sure, but if the copper wire is in the receptor hole you have a picture without screwing on the cable. I really think it is the wire that has the signal on it.
1072931
Dear Vicky, Thank you for your question. The Havahart Wireless 5134G2 Radial-Shape 2 Wireless Fence will absolutely not work with aluminum siding on a structure or in heavily wooded or landscaped areas enclosed within the fence boundaries. Slopes and hills, metal sheds or other smaller metal structures, metal downspouting, metal garage doors, metal poles may present challenges to the fence, as all wireless systems have these challenges. The interference is no different than a building has to a cell phone. From my own experience, the controller absolutely will not work in my neighbor's yard, who has an aluminum sided home. My brother has a brick home, but a metal shed in the yard, and he sets the radius to where the shed is outside the radius, and has no problems. The signal gets weaker, but still strong enough to buzz the dog, who understands the buzz means stop. We found the controller inside the home should never be near an outside meter or air conditioner, as the signal weakens. By moving the inside controller to a wall with no outside items in the way produces a nice clear signal. Some highly intelligent dogs are not affected by weaker signals from metal or dense interference, as they know any buzz, no matter how tiny means stop. Basically, a lot of metal structures and dense trees and landscaping are not going to let the signal come through, but a few smaller things will cause some interference with the signal, but some dogs respond to any strength signal. I hope this answers your question. Maren
1494542
This detector will work through anything. The unit picks up elector-magnetic field that all metals give off and these EMF penetrates everything.
160639
Anytime you place a huge chunk of metal in between a radio transmitter and receiver it is going to interfere with the signal. These units have a 1000 foot "line of sight" range, once you start putting stuff in the way you decrease its range significantly.
47067
Unless they have made a MAJOR change, it is definitely metal related. You can test this by passing a sledge hammer or similar metal object close to the sensor pipe. I see another answer mentioned using a shovel.If you have to fuss with juxtaposing the the gray transmitter box and the little white receiver, the hammer is much more convenient than driving you car back and forth. A helper and cell phones is a must unless your hearing is a lot better than mine.
526941
I haven't noticed anything like that. Although if you were concerned about that, you can put the transmitter on a different channel than the receiver when plugging in.
522553
Yes, with one issue. This device may not be able to broadcast through the roof. If you could mount it someplace where it does not have to go through metal would be best. Mine will beam through the composite hard top on my Jeep and my garage at the same time but any metal like a sheet metal roof blocks the signal.
1694488
Well.., this scanner can detect all metals, behind ceramic too, but sometimes make mistakes. Only in metal mode can use to that work.
1897668
Experiment #128 does. You need a radio, it produces static in it as the output. Also, you have to hold the metal right up to the ferrite antenna coil.I haven't built that one yet, just what the manual reads.
30034
Yes it does, the transmitter is built in i believe. It does not have AM however
189093
Yes it can detect gold, silver, brass & copper...nickel & zinc clad objects...alongwith aluminum and dicast metals...
799152
I don't know the answer to your question, but I purchased the transmitter & it works great! I have no complaints about it.
809380
Perhaps. I'm about to try that myself. The biggest issue is to check to see where your digital signals are coming from. Visit here: https://www.antennasdirect.com/transmitter-locator.html to find out more.
606120
I hooked mine to a standard receiver and put it in the atic. My biggest problem was my roof has metal foil backing in the plywood so it restricts the signal. I found a spot where there was no foil and placed it there. It works fine.
1757506
Here's your pseudo-definitive answer from an engineer: the cat door uses radio frequencies to interact with the chip in your cat's neck. Radio frequencies can travel through many things but a Faraday cage isn't one of them. Without getting too involved with physics, metal has a tendency to block radio waves. HOWEVER, not all metal interacts with them in the same way. Aluminum, for instance, shouldn't be too much of a problem. Steel doors will be a bigger issue. I'd recommend trying the cat door in your metal door first before buying the hardware. It won't decrease battery life: the sensor that tells your door to read the chip in your cat (an optical sensor) is independent of the sensor that actually does the reading of the chip (an RF sensor). If you cat can get through the door without banging their face into it, you should be good to go! If kitty bangs into the door without the door sensing your cat, set it to "two way" mode, buy the extra hardware, and install it when it comes in