Updated:May, 2026

10 Best Ethernet Cable Tester For Cat 5e Cat 6 6a of 2026

Best Choice

9.9

Outstanding

NOYAFA

NOYAFA NF-8209 Network Cable Tester, Ethernet Cable Wire Tester with POE & NCV for CAT5/CAT6 Wire Tracer, Length Test, RJ45 Network Tester Kit for Cable Tracer Telephone Line Finder Home Repair

Why We Love It

Multi-Cable Tester: NF-8209 ethernet tester is a digital signal receiving technology, integrating the functions of CONT, length test, scanning, POE, FLASH, QC and NCV. The network tester is suitable for CAT5 CAT6/6a cable and PSE standard (at/af standard) testing, recognizing power supply mode and verifying RJ45 cables.
Length Test: The RJ45 cable tester provides high-precision length measurement (1.5200 meters, 99% accuracy), identifying open/short circuits and displaying results instantly for quick fault location in cables and ports.
Continuity & POE Testing: The POE tester tests standard PoE devices, supply voltage, power polarity and mode, up to 60V DC. The wire tracer can test the physical state of STP and UTP LAN cables, perfect for line test, home maintenance, realizing multi-purpose and easy to use.
Port Flashing & NCV: Cat6 tester can easily locate network ports using the blinking port lights on 10M/ 100M / 1000M hubs/switches, can detect the presence of AC voltage (50V-1000V) through the NCV function, which is an essential tool for cabling engineers.
Quality Service & LED Light: NOYAFA network tool kit supports LED light, you can use it to turn on the light in low light or dark environment. And if you have any questions when using the cable tester, please feel free to contact us. We will reply to you within 24 hours.

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Why We Love It

Multi-Cable Tester: NF-8209 ethernet tester is a digital signal receiving technology, integrating the functions of CONT, length test, scanning, POE, FLASH, QC and NCV. The network tester is suitable for CAT5 CAT6/6a cable and PSE standard (at/af standard) testing, recognizing power supply mode and verifying RJ45 cables.
Length Test: The RJ45 cable tester provides high-precision length measurement (1.5200 meters, 99% accuracy), identifying open/short circuits and displaying results instantly for quick fault location in cables and ports.
Continuity & POE Testing: The POE tester tests standard PoE devices, supply voltage, power polarity and mode, up to 60V DC. The wire tracer can test the physical state of STP and UTP LAN cables, perfect for line test, home maintenance, realizing multi-purpose and easy to use.
Port Flashing & NCV: Cat6 tester can easily locate network ports using the blinking port lights on 10M/ 100M / 1000M hubs/switches, can detect the presence of AC voltage (50V-1000V) through the NCV function, which is an essential tool for cabling engineers.
Quality Service & LED Light: NOYAFA network tool kit supports LED light, you can use it to turn on the light in low light or dark environment. And if you have any questions when using the cable tester, please feel free to contact us. We will reply to you within 24 hours.

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9.5

Excellent

KLEIN TOOLS

Klein Tools VDV526-200 Cable Tester, LAN Scout Jr. 2 Ethernet Tester for CAT 5e, CAT 6/6A Cables with RJ45 Connections

Main Highlights

VERSATILE CABLE TESTING: Cable tester for data (RJ45) terminated cables and patch cords, ensuring comprehensive testing capabilities
LARGE BACKLIT LCD: Backlit LCD display enables easy reading of pin-to-pin wiremap results, even in low-lit areas
COMPREHENSIVE FAULT DETECTION: Test for Open, Short, Miswire, Split-Pair faults, Cross-over, and Shield, providing thorough fault detection
INTUITIVE USER INTERFACE: User-friendly interface with three buttons and simple, easy-to-identify test responses, ensuring a smooth testing experience
MULTIPLE TONE GENERATOR STYLES: Tone on a single wire, wire pair, or all 8 conductor wires using the multiple style tone generator (solid/warble); requires probe Cat. No. VDV500-123 (sold separately)
AUTO POWER-OFF FEATURE: Auto Power-Off feature activates after 10 minutes in test mode and 60 minutes in tone mode, conserving battery life
CONVENIENT AND EFFICIENT: Compact and portable design for easy transport, allowing for on-the-go cable testing

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Main Highlights

VERSATILE CABLE TESTING: Cable tester for data (RJ45) terminated cables and patch cords, ensuring comprehensive testing capabilities
LARGE BACKLIT LCD: Backlit LCD display enables easy reading of pin-to-pin wiremap results, even in low-lit areas
COMPREHENSIVE FAULT DETECTION: Test for Open, Short, Miswire, Split-Pair faults, Cross-over, and Shield, providing thorough fault detection
INTUITIVE USER INTERFACE: User-friendly interface with three buttons and simple, easy-to-identify test responses, ensuring a smooth testing experience
MULTIPLE TONE GENERATOR STYLES: Tone on a single wire, wire pair, or all 8 conductor wires using the multiple style tone generator (solid/warble); requires probe Cat. No. VDV500-123 (sold separately)
AUTO POWER-OFF FEATURE: Auto Power-Off feature activates after 10 minutes in test mode and 60 minutes in tone mode, conserving battery life
CONVENIENT AND EFFICIENT: Compact and portable design for easy transport, allowing for on-the-go cable testing

9.5

Excellent

PETECHTOOL

Network Ethernet Cable Tester for LAN RJ45 Cat5 Cat5e Cat6 Cat6a Cat7 UTP/Shielded Cable and RJ11 RJ12

Main Highlights

The LAN cable tester can test both of the RJ11 telephone cable and RJ45 network cables such as RJ45 Cat5 Cat6 Cat7. Built-in high performance chip, which provide faster test results when checking wires and data points.
The network provides the verification detail of wires to ensure that your networking is flowing optimally. And it will inform you whether the cables are paired and connected correctly or not.
The network cable tester features a nice LED display which indicates. And the results that are easy for anyone to understand. It can be used by both professionals and unskilled home-users.
Note: The cable tester needs a 9-volt battery to function. The battery is not included in the package at the time of purchase.
If you are not satisfied with this Ethernet cable tester, please feel free to contact us. We will solve all your problems well.

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Main Highlights

The LAN cable tester can test both of the RJ11 telephone cable and RJ45 network cables such as RJ45 Cat5 Cat6 Cat7. Built-in high performance chip, which provide faster test results when checking wires and data points.
The network provides the verification detail of wires to ensure that your networking is flowing optimally. And it will inform you whether the cables are paired and connected correctly or not.
The network cable tester features a nice LED display which indicates. And the results that are easy for anyone to understand. It can be used by both professionals and unskilled home-users.
Note: The cable tester needs a 9-volt battery to function. The battery is not included in the package at the time of purchase.
If you are not satisfied with this Ethernet cable tester, please feel free to contact us. We will solve all your problems well.

9.2

Excellent

YOJOCK

Network Ethernet Cable Tester for LAN RJ45 RJ11 CAT5 CAT5E CAT6 CAT6A CAT7, Ethernet Wire Tester Tool UTP/STP Continuity Test for Telephone Line Finder Home Repair (HT812A)

Main Highlights

Multi-Function Network Cable Tester: Supports RJ45 (CAT5, CAT5e, CAT6, CAT6A, CAT7) and RJ11 telephone cables. Quickly detects continuity, short circuits, open wires, miswiring, and cable shielding status, ensuring your LAN or phone lines are correctly wired and ready to use.
Fast/Slow Mode with LED Indicators: Switch between fast and slow scan speeds to identify wiring issues more precisely. LED lights on both master and remote units show wire order, making it easy to spot errors like open pairs or misaligned pins at a glance.
Split-Type Design for Long-Distance Testing: Master and remote units can be detached and used separately, allowing you to test both ends of a long cable run, ideal for wall-mounted ports, long runs, or structured cabling. Perfect for home, office, or professional IT setups.
Compact, Lightweight & Durable: Ergonomically designed with sturdy ABS housing, this pocket-sized tester is ideal for on-the-go network engineers, DIYers, and electricians. Its your go-to toolkit for cable maintenance, upgrades, or new installations.
Safe & Easy to Use: Simple one-button operation makes testing quick and hassle-free. LED indicators clearly show wiring status, while the G light instantly identifies shielded (FTP/STP) or unshielded (UTP) cables. Supports safe testing of telephone lines with typical voltages under 48-72V, ideal for both home and professional use.

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Main Highlights

Multi-Function Network Cable Tester: Supports RJ45 (CAT5, CAT5e, CAT6, CAT6A, CAT7) and RJ11 telephone cables. Quickly detects continuity, short circuits, open wires, miswiring, and cable shielding status, ensuring your LAN or phone lines are correctly wired and ready to use.
Fast/Slow Mode with LED Indicators: Switch between fast and slow scan speeds to identify wiring issues more precisely. LED lights on both master and remote units show wire order, making it easy to spot errors like open pairs or misaligned pins at a glance.
Split-Type Design for Long-Distance Testing: Master and remote units can be detached and used separately, allowing you to test both ends of a long cable run, ideal for wall-mounted ports, long runs, or structured cabling. Perfect for home, office, or professional IT setups.
Compact, Lightweight & Durable: Ergonomically designed with sturdy ABS housing, this pocket-sized tester is ideal for on-the-go network engineers, DIYers, and electricians. Its your go-to toolkit for cable maintenance, upgrades, or new installations.
Safe & Easy to Use: Simple one-button operation makes testing quick and hassle-free. LED indicators clearly show wiring status, while the G light instantly identifies shielded (FTP/STP) or unshielded (UTP) cables. Supports safe testing of telephone lines with typical voltages under 48-72V, ideal for both home and professional use.

9.0

Excellent

Brileine

Brileine Network Cable Tester and Ethernet Tester with POE Detection, 300m Remote RJ45 Tester for Cat5/Cat6 Cable, Automatically Checks Continuity, Open, Short, Crossover (Battery Not Included)

Main Highlights

AUTOMATIC NETWORK TESTER FOR QUICK DIAGNOSTICS This ethernet cable tester automatically and quickly scans wiring, checking for continuity, open, short, and crossover faults on RJ11/RJ12/RJ45 cables. It's the fastest network tester tool for pinpointing issues in data cabling, saving you critical time on every job.
POE DETECTION & 300M LONG-DISTANCE ETHERNET TESTING This advanced network tester safely checks live POE connections. The remote unit enables solo cable testing over 300 meters, making this ethernet tester ideal for large installations like offices and security systems. It's a vital LAN cable tester for modern networks.
INSTANT VISUAL FEEDBACK WITH DUAL TEST SPEEDSGet clear visual diagnostics from sequenced LED indicators. Choose between Fast and Slow test modes to verify cable continuity and isolate faults at your preferred pace. The high-clarity display makes this network tester incredibly intuitive.
COMPACT AND PROTECTED CABLE TESTER KITThis compact RJ45 cable tester features a removable bright orange silicone sleeve for shock protection and high visibility. Complete with main and remote units, this ethernet tester tool is perfectly portable and an essential addition to any network tool kit.
PROFESSIONAL CABLE TESTER WITH 18-MONTH SUPPORTEverything you need in one package. Includes main and remote units, plus a clearly written manual for instant setup. Backed by an 18-month product support guarantee. Your reliable networking tool for flawless installations. (Note: Requires one DC 9V battery, not included).

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Main Highlights

AUTOMATIC NETWORK TESTER FOR QUICK DIAGNOSTICS This ethernet cable tester automatically and quickly scans wiring, checking for continuity, open, short, and crossover faults on RJ11/RJ12/RJ45 cables. It's the fastest network tester tool for pinpointing issues in data cabling, saving you critical time on every job.
POE DETECTION & 300M LONG-DISTANCE ETHERNET TESTING This advanced network tester safely checks live POE connections. The remote unit enables solo cable testing over 300 meters, making this ethernet tester ideal for large installations like offices and security systems. It's a vital LAN cable tester for modern networks.
INSTANT VISUAL FEEDBACK WITH DUAL TEST SPEEDSGet clear visual diagnostics from sequenced LED indicators. Choose between Fast and Slow test modes to verify cable continuity and isolate faults at your preferred pace. The high-clarity display makes this network tester incredibly intuitive.
COMPACT AND PROTECTED CABLE TESTER KITThis compact RJ45 cable tester features a removable bright orange silicone sleeve for shock protection and high visibility. Complete with main and remote units, this ethernet tester tool is perfectly portable and an essential addition to any network tool kit.
PROFESSIONAL CABLE TESTER WITH 18-MONTH SUPPORTEverything you need in one package. Includes main and remote units, plus a clearly written manual for instant setup. Backed by an 18-month product support guarantee. Your reliable networking tool for flawless installations. (Note: Requires one DC 9V battery, not included).

8.8

Very Good

NOYAFA

NOYAFA Network Cable Tester for RJ45, RJ11, RJ12 /Cat5, Cat5e, Cat6, Cat6a, Cat7, Phone Line Cat3, Ethernet Tester, LAN Cable Test Tool (Black)

Main Highlights

RJ45 TESTERRJ45CAT5CAT5ECAT6CAT6ARJ11/RJ12 Phone Line CAT3 (6P2C/6P4C/6P6C) POE Test/Router to Wire
ETHERNET TESTERCable tester for detecting short circuit, open circuit, cross-pair and other cabling faults, support host and remote, can view cable remotely, maximum test distance is 1000 meters.
QC FUNCTION:Single-button test: quickly produce test results (open, cross, straight through, short), quickly detect PLUG crimping, ethernet continuity tester can also measure special shielded network cable (UTP/STP).
POE TESTcable tester ethernet can power supply test - 60V, quickly determine the type of power supply and power supply state of the POE switch, and prompt the battery power and low voltage, LED light visual display results.
LITHIUM BATTREY CHARGING: ethernet cable tester rj45 NOYAFA NF-468CS is simple and easy to use, used in home, industrial and other fields

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Main Highlights

RJ45 TESTERRJ45CAT5CAT5ECAT6CAT6ARJ11/RJ12 Phone Line CAT3 (6P2C/6P4C/6P6C) POE Test/Router to Wire
ETHERNET TESTERCable tester for detecting short circuit, open circuit, cross-pair and other cabling faults, support host and remote, can view cable remotely, maximum test distance is 1000 meters.
QC FUNCTION:Single-button test: quickly produce test results (open, cross, straight through, short), quickly detect PLUG crimping, ethernet continuity tester can also measure special shielded network cable (UTP/STP).
POE TESTcable tester ethernet can power supply test - 60V, quickly determine the type of power supply and power supply state of the POE switch, and prompt the battery power and low voltage, LED light visual display results.
LITHIUM BATTREY CHARGING: ethernet cable tester rj45 NOYAFA NF-468CS is simple and easy to use, used in home, industrial and other fields

8.6

Very Good

VCELINK

VCELINK RJ45 Crimp Tool Kit for CAT7/6A/6/5E/5, Upgraded Network Tool Set with an Ethernet Crimper, 50 RJ45 Connectors & Boots, Cable Tester, Wire Stripper and Cutter in a Cloth Bag

Main Highlights

COMPLETE CRIMPING KIT: Everything you need for a professional RJ45 setup! Includes a cloth bag, RJ45 crimper, cable tester, mini stripper, wire cutter, 50 connectors, and strain relief boots. A hassle-free solution for efficient installations and storage
VERSATLE MULTITOOL: Enjoy precise crimping while the pass-through crimper neatly trimming the excess wires. The sharp and durable SK5 blades make cutting and stripping effortless (2 Spare Blades Included). Includes a wiring diagram for easy reference
ALL CONNECTORS ARE APPLICABLE: Crimp all RJ45, RJ12, and RJ11 connectors-metal, plastic, pass-through, or non-pass-through! A manually adjustable knob lets you easily move and customize the crimper plate for precise and easy crimping every time
RELIABLE CABLE TESTER: Quickly check for short circuits and miswiring with clear indicator lights (No.1 to No.8). It is compatible with STP/UTP RJ45/RJ11/RJ12 connectors to confirm your cables are well-wired and ready for use (9V Battery Not Included)
COMPREHENSIVE ACCESSORIES: Come with 50 gold-plated pass-thru RJ45 connectors and strain relief boots, a cable tester, a wire cutter and a mini stripper. With everything in a portable cloth bag, this kit saves time, effort, and the cost of hiring help, ideal for DIYers

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Main Highlights

COMPLETE CRIMPING KIT: Everything you need for a professional RJ45 setup! Includes a cloth bag, RJ45 crimper, cable tester, mini stripper, wire cutter, 50 connectors, and strain relief boots. A hassle-free solution for efficient installations and storage
VERSATLE MULTITOOL: Enjoy precise crimping while the pass-through crimper neatly trimming the excess wires. The sharp and durable SK5 blades make cutting and stripping effortless (2 Spare Blades Included). Includes a wiring diagram for easy reference
ALL CONNECTORS ARE APPLICABLE: Crimp all RJ45, RJ12, and RJ11 connectors-metal, plastic, pass-through, or non-pass-through! A manually adjustable knob lets you easily move and customize the crimper plate for precise and easy crimping every time
RELIABLE CABLE TESTER: Quickly check for short circuits and miswiring with clear indicator lights (No.1 to No.8). It is compatible with STP/UTP RJ45/RJ11/RJ12 connectors to confirm your cables are well-wired and ready for use (9V Battery Not Included)
COMPREHENSIVE ACCESSORIES: Come with 50 gold-plated pass-thru RJ45 connectors and strain relief boots, a cable tester, a wire cutter and a mini stripper. With everything in a portable cloth bag, this kit saves time, effort, and the cost of hiring help, ideal for DIYers

8.3

Very Good

TESMEN

TESMEN TLP-123A Network Cable Tester for RJ11 RJ45, Ethernet Wire Tool for CAT5/CAT5E/CAT6/CAT6A/CAT7/UTP&STP, LAN & TEL Continuity Test, Suitable for Cable Maintenance - Green

Main Highlights

Multifunctional Network Cable Tester: TESMEN TLP-123A Supports RJ45 and RJ11, enabling rapid detection of line connectivity, short circuits, open circuits, miswiring, and cable shielding status. An essential tool for troubleshooting line faults and network maintenance, it effectively boosts your work efficiency
Convenient and Efficient: Featuring one-button operation and a test speed adjustment gear on the main control unit for enhanced flexibility. Clear LED indicators provide intuitive test result displays, making it easy for both professionals and home users to operate
Portable and Durable: Compact and lightweight design for easy portability. Constructed with high-quality plastic housing for robust structure, ensuring both durability and stability. Ideal for home wiring, IT equipment setup, electrical maintenance, and LAN DIY projects
Detachable design: The main control unit and remote unit can be separated and used independently, allowing you to test both ends of long cables. This makes it ideal for wall-mounted ports, long-distance cabling, or structured cabling systems, perfect for homes, offices, or professional IT environments
What you will get: 1 * TLP-123A Network Cable Tester, 1 * user manual, 2 * AAA batteries

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Main Highlights

Multifunctional Network Cable Tester: TESMEN TLP-123A Supports RJ45 and RJ11, enabling rapid detection of line connectivity, short circuits, open circuits, miswiring, and cable shielding status. An essential tool for troubleshooting line faults and network maintenance, it effectively boosts your work efficiency
Convenient and Efficient: Featuring one-button operation and a test speed adjustment gear on the main control unit for enhanced flexibility. Clear LED indicators provide intuitive test result displays, making it easy for both professionals and home users to operate
Portable and Durable: Compact and lightweight design for easy portability. Constructed with high-quality plastic housing for robust structure, ensuring both durability and stability. Ideal for home wiring, IT equipment setup, electrical maintenance, and LAN DIY projects
Detachable design: The main control unit and remote unit can be separated and used independently, allowing you to test both ends of long cables. This makes it ideal for wall-mounted ports, long-distance cabling, or structured cabling systems, perfect for homes, offices, or professional IT environments
What you will get: 1 * TLP-123A Network Cable Tester, 1 * user manual, 2 * AAA batteries

8.1

Very Good

KLEIN TOOLS

Klein Tools VDV026-813 RJ45 Ethernet Cable Tester and Crimper Kit, Pass-Thru Technology, Includes Connectors for Cat5e/CAT6 Data Applications, Pack of 50

Main Highlights

Cable Tester Kit includes the components needed to terminate data cables using time saving Pass-Thru technology
Klein exclusive Pass-Thru Connectors provide fast, reliable connector installations for data applications
Certified for PoE+
CAT5e/CAT6 cables easily pass through connector to visually ensure that wires are in the correct order for consistent and secure terminations
8 position, 8 contact Pass-Thru style data plug for solid or stranded cable
Fast, simple RJ45 Pass-Thru Crimper (Cat. No. VDV226-005) crimps and trims Klein Tools RJ45 Pass-Thru connectors onto data cables (round STP / UTP cables)
Wiring guide on crimper helps minimize wiring errors
Cable tester (Cat. No. VDV526-100) with single button testing of terminated voice and data cables
Test CAT3, CAT5e and CAT6/6A cables
Fast LED responses indicate cable status (Pass, Miswire, Open-Fault, Short-Fault, and Shield)

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Main Highlights

Cable Tester Kit includes the components needed to terminate data cables using time saving Pass-Thru technology
Klein exclusive Pass-Thru Connectors provide fast, reliable connector installations for data applications
Certified for PoE+
CAT5e/CAT6 cables easily pass through connector to visually ensure that wires are in the correct order for consistent and secure terminations
8 position, 8 contact Pass-Thru style data plug for solid or stranded cable
Fast, simple RJ45 Pass-Thru Crimper (Cat. No. VDV226-005) crimps and trims Klein Tools RJ45 Pass-Thru connectors onto data cables (round STP / UTP cables)
Wiring guide on crimper helps minimize wiring errors
Cable tester (Cat. No. VDV526-100) with single button testing of terminated voice and data cables
Test CAT3, CAT5e and CAT6/6A cables
Fast LED responses indicate cable status (Pass, Miswire, Open-Fault, Short-Fault, and Shield)

8.1

Very Good

NOYAFA

NOYAFA NF-468S Network Cable Tester,RJ45 Ethernet Cable Tester for RJ11, RJ12, CAT5, CAT6, CAT6a,CAT7, STP/UTP Cable Checker, PoE Tester, Check Connectivity, Phone Line Cat3, LAN Cable Test Tool

Main Highlights

Applicable line typeNOYAFA Network Cable Tester, can test RJ45 CAT5, CAT5E, CAT6, CAT6A, CAT67, RJ11, RJ12 telephone line CAT3 (6P2C/6P4C/6P6C) STP/UTP cable checker, cable mapper, check continuity, POE test, cat5e tester, cat6 tester, connectivity tests, Cat3 telephone lines, LAN Cable Test,rj45 cable tester/router to line (Note: NF-468S Ethernet cable tester cannot test network cables and telephone lines with power on, otherwise it will seriously burn the equipment)
QC test function NF-468S Ethernet cable continuity tester quickly tests the continuity results of the cable (open circuit, crossover, straight through, short circuit), quickly detects the crimping of the crystal head, and can also measure special shielded network cables (UTP/STP)
Host & RemoteNOYAFA Ethernet Cable Checker Tool is used to detect short circuit, open circuit and cross wiring faults on wired lines, host and remote terminals, keeping the network running smoothly, with a maximum test distance of 2000 meters
POE TestNF-468S network cable tester can test 60V power supply, quickly determine the power type and status of the POE switch, and prompt the battery power and low voltage. The RJ45 network cable tester supports 802.3af and 802.3at standards, and prompts the battery power and low voltage. The LED light displays the results intuitively
CAT6 CAT5 cable tester NOYAFA NF-468S CAT6 cable tester can be used as a telephone line tester Ethernet cable tester, rj45 network tester, Ethernet checker for home, industry and other areas of simple to use, new upgraded, can be used in the home, industry and other fields

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Main Highlights

Applicable line typeNOYAFA Network Cable Tester, can test RJ45 CAT5, CAT5E, CAT6, CAT6A, CAT67, RJ11, RJ12 telephone line CAT3 (6P2C/6P4C/6P6C) STP/UTP cable checker, cable mapper, check continuity, POE test, cat5e tester, cat6 tester, connectivity tests, Cat3 telephone lines, LAN Cable Test,rj45 cable tester/router to line (Note: NF-468S Ethernet cable tester cannot test network cables and telephone lines with power on, otherwise it will seriously burn the equipment)
QC test function NF-468S Ethernet cable continuity tester quickly tests the continuity results of the cable (open circuit, crossover, straight through, short circuit), quickly detects the crimping of the crystal head, and can also measure special shielded network cables (UTP/STP)
Host & RemoteNOYAFA Ethernet Cable Checker Tool is used to detect short circuit, open circuit and cross wiring faults on wired lines, host and remote terminals, keeping the network running smoothly, with a maximum test distance of 2000 meters
POE TestNF-468S network cable tester can test 60V power supply, quickly determine the power type and status of the POE switch, and prompt the battery power and low voltage. The RJ45 network cable tester supports 802.3af and 802.3at standards, and prompts the battery power and low voltage. The LED light displays the results intuitively
CAT6 CAT5 cable tester NOYAFA NF-468S CAT6 cable tester can be used as a telephone line tester Ethernet cable tester, rj45 network tester, Ethernet checker for home, industry and other areas of simple to use, new upgraded, can be used in the home, industry and other fields

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