📡 Stay ahead of invisible waves—because what you don’t see can impact your world.
The GQ EMF-390 is a professional-grade, portable 3-in-1 meter that simultaneously measures electromagnetic fields, electric fields, and radio frequencies up to 10GHz. Designed for both personal and scientific use, it features smart source identification, a rechargeable battery with USB charging, and continuous data logging for up to 24 hours. Trusted by individuals and government agencies alike, it’s the ultimate tool for monitoring modern wireless environments including 5G, WiFi, and smart meters.
| ASIN | B09482NSV9 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | 109,366 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 60 in Spectrum Analysers |
| Customer Reviews | 4.6 4.6 out of 5 stars (312) |
| Date First Available | 2 Dec. 2022 |
| Included components | Mini USB cable |
| Item Weight | 299 g |
| Item model number | EMF-390V2 |
| Manufacturer | GQ Electronics |
| Part number | EMF-390V2 |
| Product Dimensions | 15.24 x 7.62 x 2.54 cm; 299 g |
J**C
Useful
Useful and portable
M**N
Great design
Love the concept. Lots of useful information and seems to work around phones and microwaves - it definitely has a reading for each.
K**N
Not 5G!
Not suitable for what I wanted it for. . got no reading at all from 5G masts . . however, wi-fi seemed to work OK. . .it's possible that the unit was defective. . but I had no way of knowing. Pity, as the Meter is well made and easy to use. . so gave it 5 stars for that!
M**E
Works well
Just got this. Works very well as a general emf reading device. Surprised how much emf comes off my Samsung. . The 3 way screen is very handy, no need to turn nobs. Recommended.
P**N
Great product
Great product and great service. Highly recommended.
F**O
Excelente opción
Todo excelente para el precio y para mí opinión excedenla calidad, totalmente recomendable
B**N
Very nice test device
This is a really nice unit. It doesn't look like it will be that good, but the display is fine for its use case. The different screens do a great job of focusing the test to a specific use or even multiple testing concurrently. I use it to see how much RFI/ EMI is coming out of my House of Gadgets. It was surprising to see how much EMI is radiating out of my old alarm clock radio. I have a lot of electronic equipment, things like ham radio, power inverters, EV, and other noisy emitters. It's nice to check them and see if they are a source of interference for my ham radio setup. Checking the power emission from the mesh wifi endpoints is also a good thing to do, make sure they're not too close to where we sleep.
C**7
Good Product - Helpful!
Like the product, handy to have! To read the EMFs, EF, RF around the house re Radiation, etc, especially, from Smart Meters.
S**S
Fantastic Tester
The tester is very easy to use and comes with a nice simple software app for downloading your data to either Windows or Mac. It will record up to 24 hours and the battery is rechargeable and it retains its charge very well. In my usage it only used 22% over almost 20 hour of testing! The application is easy to use and the software installs perfectly and the data is easy to import into Excel. The tester even comes with reference card for values. I had a question about some of the readings and emailed Tech Support; I got an answer within hours! After tryin other testers, the EMF-390 is the best I have seen, and I feel very comfortable with relying on the measurements it is giving me. The data logging is crucial if you are trying to study events over time. The tester also tells you where to hold it so your body does not impact the readings. Well worth the price!
Trustpilot
1 month ago
1 month ago