EMF Meter, Advanced GQ EMF-390 Multi-Field Electromagnetic Radiation Detector 3-in-1 EMF ELF Meter & RF Spectrum Analyzer, Cell Tower Smartmeter Signal Detector RF up to 10G Data Logger

This meter is half the price of equivalent competitors and provides everything a budding home worker or concerned parent could possibly need. Easy to use and sensitive enough to be able to easily sense check that the meter readings are reliable (which they are with mine). Super accurate in fact, especially when held correctly (as shown in small printed instructions). I wanted it to check my home office and particularly the electric / electromagnetic field fields and radio frequencies (aka WiFi exposure) at my desk & kitchen table (for home working under lock down). With some small changes was able to reduce our exposure to all forms of invisible radiation by more than 10 times. Also was able to see change in RF in real time as I used WiFi on my iPad. I already knew that you should not hold your iPad in your hands and use WiFi but the results were an eye opener. Needless to say my desktop computer is not connected by Ethernet cable and favoured (whenever possible) over the iPad. I have also move the modem (which is really harmful at short range, shit these things should come with a serious health warning!) as far from me as possible. This device is a God send and only after I had bought this meter did I watch 'Better Call Saul'. So glad I went for this meter and would recommend to anyone remotely concerned about their health with all the debate raging over 5G

I received new item directly from manufacture. Very well designed with German common sense and precision.Brilliant little device. Measures all you need to know in one go. Tells you the summary in simple and smart way. I discovered things I've never suspected about home devices - the manufacturers don't tell you about.Well worth to check your work place, resting place, bedroom etc.The price is reasonable comparing to functionality and other brands.

Excellent device BUT for some reason the EF reading jumps up to very high readings the moment I'm near it, touch it or hold it!!? I've read the instructions, hold it at the bottom where it's supposed to be held and keep it away from my body whilst holding it, but still it jumps up. How can I get an accurate RF reading if this keeps happening!?? I'm not sure whether to send back or does it need to be calibrated!? That being said its a great little detector with lots of great features.

Great piece of kit and very informative and reassuring to have. It seems to pretty much support the usual guidelines about not being too close to a router or mobile phone (and similar device) when it is active and connected if one goes by the limit settings of this device. The the thing that is perhaps surprising is that levels of EF (electrical field) seems to be the main aspect to focus on in my setting, meaning when using a device that is not battery powered but connected to the mains, or if it is connected to a device that is connected to the mains also, including a charging phone then the level goes over the limit, at least from what I found. This is something that people, in my opinion, tend to overlook.Disclaimer: I am writing this for the benefit of anyone who cannot afford their own one at the moment, or who has one and is looking to compare results, these are simply the measurements that I took with this device which I bought from Amazon and they are not a recommendation of any kind and I am not encouraging any course of action.With this I found that the things that were over the limit according to the device in the room where I work and the house in general were the EF levels of being within about 5-10 centimetres of any device that is plugged into the mains, and increasing greatly in level the closer one gets within that distance range. This included mobile phones if they were charging at the time of testing. This also included headphones plugged into a mains powered device. If you don't believe this then test it for yourself.Regarding RF levels, it went above the levels when under around 10-15 centimetres from the router and several centimetres from the phone if it was on and connected (check it for yourself).The only thing it doesn't do is differentiate between frequencies at higher levels, it only does that, seemingly, below around 2.5 GHz, which I must say I had not gathered from the product details. No problem really though, as the price is not that high and it does what I needed it for, which is checking if appliances and devices in the household are exceeding the limits, especially as I work all day on these devices.

A compact EMF meter, with many functions; easy to read; shows all three values on one screen or can change to just one; easy to use it to scope out a room or building and find the hotspots. One thing that puzzled me for a while was that I was getting high EF values when holding the meter but low values without me holding it. After I turned off the mains supply (at the main fuse box to the house) the readings (when held) dropped to the same values as when not held. So it seems that my body is acting as an amplifier of the electric field inside the house. As soon as i step outside, the reading drops off again. More investigation needed but so far i am very happy with this meter. No idea as to accuracy, except I am getting standard RF values for my phone and wi-fi box. Would buy again.

Whilst not a professional level device it is perfect;y capable of obtaining useable measurements. It is worth noting that users should be prepared to do a little background reading and also of the manual in order to get the best possible information. If you just want to see how much EMF is present - this may not be the meter you need