professional lan wire tester factory | NOYAFA

professional lan wire tester factory | NOYAFA

Underground wire locator NF-820 within high voltage 220V


F-820is a new breakthrough after model NF-816, which are anti-jamming cable detectors for underground,

insidewall or other invisible cable & pipe. The detection range can be up to 2 meters. Besides, NF-820 is even capable of tracing cable

in high voltage environment (0~400V). The current or other live devices can't make influence on it for its anti-jamming function.

It is a practical tool for the engineers, mainly applied in home decoration, cabling installation and telecommunication ect.  

Products Details

Product Details

With strong R&D strength and production capabilities, NOYAFA now has become a professional manufacturer and reliable supplier in the industry. All our products including lan wire tester are manufactured based on the strict quality management system and international standards. lan wire tester NOYAFA have a group of service professionals who are responsible for answering questions raised by customers through the Internet or phone, tracking the logistics status, and helping customers solve any problem. Whether you'd like to get more info on what, why and how we do, try our new product - professional lan wire tester factory, or would like to partner up, we'd love to hear from you.Owing to its our lan wire tester has met with a warm reception and quick sale.


20,000 Square Meter Self-owned Industrial park as production base

Fast delivery time and good after-sales services.

32 Professional Engineers with 208 Patents


Can you provide full product information ?

Sure, generally Noyafa can provide customers high-resolution images, brochure, vedios, data sheet.

Can I become your sole distributor in my place?

We appreciate that. And we will discuss about your market situation together and after confirmation we will send you a contract with detail requirements about distributor terms and sales targets.

Which are your hot sell products?

Most of our products are very popular in many countries, such like NF-488, NF-8209, NF-8601S, NF-826, NF-858C, NF-271,NF-8601S etc

Underground wire locator NF-820 within high voltage 220V

Main features:

  1. [Cable types] Tone trace cable under the floor slab, the ceiling or in the wall;                                                                                                             

  2. 2. [Track cable with 220V] Tone trace live cable with alligator clip within AC220V high voltage without burning equipment;                    

  3. 3. [Track without Noise] No interference completely under any current or external environment when cable hunting;      

4. [Socket on transmitter directly] The alligator clip and socket can be used at the same time;                        

5.[Detect range] The detection range is 6 feet and cable length 3000 feet;      


The Max depth   distance2m
Power supplyTransmitter : 3.7V   Lithium battary
Low battery   indicateTransmitter :﹤3.4V led light flashing
Charging   current800mA
Signal   transmmission formatMulti-frequency pulse
Singal output   level21Vp-p
Dimensions   (LxWxH)Transmitter :   152*55*34mm
Receiver: 252* 45* 28mm
Whole set: 320*160*55mm
Weight   ( battery included )Transmitter: 0.14kg
Receiver: 0.20kg
Whole set: 0.45kg


1.Can I become your sole distributor in my place?
We appreciate that. And we will discuss about your market situation together and after confirmation we will send you a contract with detail requirements about distributor terms and sales targets.
2.What certificate or patents do you have ?
Most of Noyafa products have CE/ROHS/REACH/FCC/FDA Certificate, and we also have apprearance design patent.
3.How is your warranty?
We promise 1-year guarantee for All Noyafa products if due to product quality itself. If inproper operation, we can still offer maintaince & training.


1.Customized Design for customers
2.Own production machines
3.Complete product information provided
4.Fast delivery time and good after-sales services.


Shenzhen NOYAFA ELECTRONIC CO., LIMITED is a specialized manufacturer which was established in 2006. At present, NOYAFA has two parts, one is a factory in Hunan, the other one is an office in Shenzhen. In the factory, there are over 200 workers, and Noyafa has its own industrial park that covers an area of 30 acres, the production workshop is more than 20,000 square meters with more than 10 production lines. In our office, there are around 20 software/hardware engineers and 30 salespeople who offer service to customers in China market and overseas markets. In the past 15 years, Noyafa has created a wealth of experience in searching & developing new products.  And we always focus on various measuring instruments, such as Network cable tester, Wire tracker detector, Fiber Optic multimeters, CCTV monitor tester, Laser rangefinders, Thermal imagers, Metal scanners, Air quality detectors, etc.  Most of the products approved CE/ROHS/REACH/FCC/FDA,  and also obtained a number of technical patents for appearance, utility models, and inventions in the field of technology development and application. Until now, Noyafa products are exporting all over the world, especially to Russia, German, Poland, America, Brazil, etc. We accept OEM & ODM Services and prefer Noyafa brand. No matter when or where customer satisfaction is our eternal pursuit and goal.

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