Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
Network Cable Tester, Wire Tracer Tone Generator and Probe Kit
✅ In stock
F
Grade
Price verified Sep 24, 2026 5:47 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Mastfuyi
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Accurate Wire Tracing & Cable Toner Function: This Mastfuyi wire tracer features a professional tone generator and probe for hassle-free tracing of non-active low-voltage wires below 60V. The cable toner quickly identifies and locates target cables inside bundles without damaging insulation, compatible with RJ11, RJ45, power lines and speaker wires via included alligator clips. It also supports pin-by-pin cable mapping to accurately detect open circuits, short circuits, wiring errors and reversed polarity, with stable testing distance up to 30 meters.
✓Ethernet Cable Tester & RJ45 Testing: Equipped as a reliable ethernet cable tester and rj45 cable tester, this device delivers comprehensive ethernet tester functionality for network cabling. The transmitter alone can identify telephone line idle, ringing and busy status, and distinguish TIP and RING sides. It effectively checks cable continuity, line level and wiring polarity, delivering precise diagnostic data for telecommunications and low-voltage circuit maintenance.
✓Complete Accessories & Optimized Testing Experience: Comes with alligator clips for fast connection to unterminated wires and an RJ45 to RJ45 test cable for seamless wire mapping and connectivity testing. The probe is built with a practical work light for clear visibility in dark and low-light working environments. Adjustable volume control and a reserved headphone jack allow customized audio output to adapt to various on-site testing scenarios.
✓Portable & Durable On-site Tool Design: Adopts lightweight, compact and sturdy construction, which is ultra portable and easy to carry around. It eliminates the burden of outdoor and on-site maintenance work, perfectly adapting to long-time field operation and various complex wiring detection scenarios, greatly improving work efficiency.
✓Wide Professional Application as Network Tester: This all-in-one network tester and cable tester kit is specially designed for network technicians, telecom engineers and IT professionals. It serves as an essential rj45 tester tool for daily structured cabling system inspection, line troubleshooting, fault repair and daily maintenance, covering most household and commercial low-voltage wiring testing needs.
⚙️ Specifications
Brand
Mastfuyi
Power Source
Battery Powered
Style
network cable tester cable tester ethernet cable tester rj45 cable tester cat6 tester ethernet tester rj45 tester network tester ethernet tester tool cable tester rj45
Color
Bule-Red
Min. Operating Voltage
60 volts
Minimum Operating Voltage
60 volts
Measurement Type
Voltmeter or Ohmmeter
Compatible Devices
Any device with RJ11, RJ45, or other metal cables connected
Style Name
network cable tester cable tester ethernet cable tester rj45 cable tester cat6 tester ethernet tester rj45 tester network tester ethernet tester tool cable tester rj45
Brand Name
Mastfuyi
Model
FY869
