Advanced GQ EMF-380 V2 Multi-Field Electromagnetic Radiation 3-in-1 EMF ELF Meter RF Spectrum Analyzer Ghost Cell Tower Smart Meter WiFi hiden Spy Camera Signal Bug Detector RF up to 8G

I bought this meter, as I saw V/m, thinking that that's signal strength (field intensity) for the RF field, but it was for the electrical field. However, i contacted the manufacturer and they updated their firmware to give the power density reading for the RF field (that did not display initially) in nanowatts/cm2 (from which you can calculate field intensity strength in V/m) or microwatts/cm2 or milliwatts/cm2, and it also shows the maximum total power density since the moment you turned on the meter. Shows total power in a band and total power density too. It comes with a rechargeable lithium battery via USB port of your computer, so you don't need to buy new batteries. It has a lot more features out there than most meters under 300, like RF spectrum analyzer where you can see the total power and total power density and dbm for 6 frequency bands, some radio, some microwave region, allowing you to get an idea of what radiation comes out of radio towers and cell phone towers implicated in some cancer and other disease risks studies. This is a very good meter for wi fi range, as i tested it on many devices with wi fi. I even compared it with the trifield analog meter (which is not sensitive in the low range, the needle type of meter), and sometimes got very similar results in the higher range above 50 microwatts. I am not an electrical engineer, so i am not sure how accurate this thing is, or how accurate trifield analog is, but it picks up 2.4 GHz signal from microwave ovens (don't sit near your microwave and keep laptop away from you, since the radiation near wi fi phones and laptops is high, similar to near a microwave oven). If you want a feature to be added or improved, these guys are very eager to do so, as they update the firmware as requested by email, and most manufacturers don't do that. So that's a big plus. I suspect the future versions of this will be much better. The 6 bands for RF are 153-534 KHz, 520-1710 KHz, 2.3-23 MHz, 64-108 MHz, 240-1040 MHz, 2.4-2.5 GHz. The range for the whole spectrum of microwaves is 0.24 to 7 GHz, a wide range now, to be expanded in future versions, per manufacturer, from their emails. This is the meter with the most features i've seen around. The magnetic meter is very accurate i believe, as it matches the trifield analog perfectly many times, the mGauss that the EPA says must be below 2 mGauss when you are 1 foot from the monitor. The electrical field also matches the trifield analog, a popular meter that's been around for 20 years. This meter may become actually very popular, even if now it's not in every online emf store. It has speaker, alarm, allowing you to set it to beep when mGauss, V/m go beyond a certain level. I measured several cars and i was shocked to find that gasoline cars have stronger magnetic fields than electric ones many times (only 1 electric car i could test so far, mine). This meter is better designed to pick up cell phone signal than the 360 version. :) No extra RF and EMF in an electric car, so that's good news. I think the magnetic measurement may be better on this one than the trifield analog. Since many people go sick near cell phone towers, one thing i found is that going inside a building diminishes it and people can use RF blocking paint or aluminum foil to reduce exposure if sensitive. If you are very concerned about RF (radio and microwave frequencies) and want to do a lot of research on these frequencies, perhaps you can buy several meters and see what each does and says the level is at and take it from there - because honestly, i am not a physics expert and don't have several digital meters to compare all readings with. Nice thing here is you can see in the RF graph what frequency a big signal has. This meter may not be perfect for some people from every point of view, may not pick everything up one wants to pick up (every band and every phone brand, etc), but it's educational, and teachers can probably use it to teach about power density, field intensity, electrosmog, RF smog, etc... Hopefully this helped you. :) From watching videos online from wi fi in schools websites it's pretty clear to me that this meter gets about the same values for RF field as the meters in those videos. One video there got 21565 nanowatts/cm2 for near a laptop with wi fi and this is what i get with this one too many times, especially when loading stuff. Wi fi detection, a concern of many teachers and parents, is very good. Wi fi is the 2.4-2.5 GHz band where you see peaks come and go. Sometimes readings are lower than trifield analog for certain cell phone brands, but again, for the price this is a 5 star. Every meter has its pros and cons. the TF2 from trifield.com only shows 2 numbers, while this one can show dozens of numbers, spectra frequencies, etc... Give it a try i guess and if you don't like it, ask questions by email or firmware to be changed or return it. :)

My Home Inspector didn't have one. I don't want to live and sleep in EMF radiation. Measures the 3 Fields including RF from cellphones/WiFi/cell towers. My father who holds 7 patents for cellphone tech since the 1970s always said to leave the cellphone an arm's length away. After getting this device, I should have listened.

I was surprised at how well this little thing worked! It is sensitive and accurate.

I bought this because I have been concerned about Electromagnetic Field ( EMF ) and RF radiation for years. I found one web site which rated this company as being one of the better testing devices. It is easy to use if you're just doing basic testing of items. But it has a big learning curve if you want to learn the other features it has. The visual graphics could use improvement yet the layout is simple to understand. It will show if you are picking up EMF's in RF and EF. It will also tell you if it is from power lines, WiFi phone or mixed. And it will show you the strength of the EMF. It shows either normal, medium or high. There is a green light that flashes and beeps and when the EMF is high and the light changes to red when detecting extremely high EMF. Here's what I found out: wireless home landline phones, microwave ovens, IPads and smart phones all register high in EMF. What I learned: Don't stand near microwave ovens when in use. Change home phone to wired phone. Use wired earphone piece in smartphone or speakerphone and place IPad on desk when viewing. Surprisingly my 5.0 and 2.4 gig router wasn't a issue unless I held the EMF-380 a few inches away from the router. At that distance the EMF started beeping in " high" range.

Crazy product with perfect properties in a cheap looking simple box that will change your life. I trust people comparing it to pro ones, so this is easily the best buy. Stable enough with repetitive results. I removed an old wireless phone from outlet completely. I took gsm phone from hands of my 5 years old son, now only watches it with a distance around 70cm. He does what beeps asks him. My wifi modem is already in corridor so safe, otherwise throw it out of pc desk, it is much more harmful than gsm phone even in 1.5metres. Lcd monitor also emits huge EF, more than old hp p1230 crt!. Do you think it is safe to replace a light bulb when you switch it off? Think twice why. I know earth people has forgotten electricity test pen. Simply test it with product if it has any EF in a turned off state that is harmful for you in the night sleep. Then think again why there is electricity passing the off state 1! pole switch. With the product, you will remember and your children will learn basic middle school physics in a very entertaining way. I am using swiss 4.25 uW/cm2 RF max for children. Due to the the small cell tower at the end of street beside children park, I cannot decrese radiation below 3.5uW/cm2 at home, and at balcony it is crazy. Belgium & italy 2.4uW/cm2 is hard to achieve, I already hate city life everyway and now even much more. If you still discard RF etc, then you will need an EMF meter just like this, simply to see if there is any EF source hidden from your sight that may cause an electric shock for children playing here and there. Thank you GQ electronics and Amazon. Best safety product from industry 0 to industry X.