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The Best Rj45 Tester of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Rj45 Tester of 2023. Check our ranking below.

2,953 Reviews Scanned

Rank No. #1
iMBAPrice - RJ45 Network Cable Tester for Lan Phone RJ45/RJ11/RJ12/CAT5/CAT6/CAT7 UTP Wire Test Tool
  • Automatically runs all tests and checks for continuity, open, shorted and crossed wire pairs. Visible LED status display.
  • Cable state testing (2-wire): Line DC detecting, anode and cathode determination,Ringing signal detecting open, short and cross circuit testing
  • Cable Type: RJ11 Telephone cable and RJ45 LAN cable
  • Connectors: Ethernet Cat 5, Ethernet Cat 5e, Ethernet Cat 6, Ethernet Cat 7, RJ11 6P and RJ45 8P
  • Power Source: DC9V Battery Required (not included)
Rank No. #2
Klein Tools VDV526-100 Network LAN Cable Tester, VDV Tester, LAN Explorer with Remote
  • Cable tester with single button testing of RJ11, RJ12 and RJ45 terminated voice and data cables
  • Tests CAT3, CAT5e and CAT6/6A cables
  • Fast LED responses indicate cable status (Pass, Miswire, Open-Fault, Short-Fault, and Shield)
  • Test remote stores securely in tester body
  • Compact tester easily fits in your pocket
Rank No. #3
Monoprice RJ-11 and RJ-45 Modular Plug Tester (108138)
  • The Tester Consists Of A Main Master Unit And A Detachable Remote Unit, Each Of Which Have An Rj11 And An Rj45 Jack
  • The Unit Is Powered With A 9-Volt Battery And Can Be Stored In The Included, Zippered, Synthetic Leather Case
  • The Master And Remote Unit Each Have A Series Of 9 Led That Show The Status Of Each Line On The Attached Cable
  • The Tester Supports Both A Fast Automatic And A Slow Automatic Mode
Rank No. #4
Klein Tools VDV526-200 Cable Tester, LAN Scout Jr. 2 Ethernet Cable Tester for CAT 5e, CAT 6/6A Cables with RJ45 Connections
  • TEST TERMITED CABLES CAT5e, CAT6 and CAT6A (RJ45) and patch cords
  • LARGE BACKLIT LCD for low lit areas displays pin to pin wiremap results
  • VERSATILE test for open, short, miswire or split-pair faults, cross-over and shield
  • EASY-TO-IDENTIFY test responses, intuitive and simple three button feature
  • TONE on single wire, wire pair or all 8 conductor wires
Rank No. #5
Klein Tools VDV501-851 Cable Tester Kit with Scout Pro 3 for Ethernet / Data, Coax / Video and Phone Cables, 5 Locator Remotes
  • Cable tester tests voice (RJ11/12), data (RJ45) and video (coax F-connector) terminated cables with clearly defined results
  • Measure cable length up to 2000 feet (610 m)
  • Test for Open, Short, Miswire or Split-Pair faults
  • Backlit LCD screen displays cable length, wiremap, cable ID and test results
  • Trace cables, wire pairs and individual conductor wires with multiple style tone generator (requires analog probe Cat. No. VDV500-123; sold separately)
Rank No. #6
Network RJ45 Tester, VXSCAN POE Ethernet Tester for Power Over Ethernet, Network Cable RJ45 Continuity Checking, DC Power, Switch Loop-Back Test
  • 🔌【Power/Current/Voltage】Poe Tester NF488 can test the current, voltage and power consumed by DC appliances.
  • 🔌【Standard POE】Inline Test the information of the standard PoE device, such as af t standard, power supply voltage, power supply polarity and mode.
  • 🔌【Non-Standard POE】Poe Tester inline test can identify the supply voltage, power supply polarity and mode of non-standard PoE devices.
  • 🔌【Cable Continuity】Poe Tester NF488 can check the short circuit, crossover and open circuit status in the network cable.
  • 🔌【Loop-back】Poe tester inline test NF488 have the loop-back test function of the switch.
SaleRank No. #7
Fluke Networks MS2-100 MicroScanner2 Copper Cable Verifier with Built-In IntelliTone Toning, Troubleshoots RJ11, RJ45, Coax, Tests 10/100/1000Base-T, and Voip
  • Copper cable verifier for testing voice/data/video with integrated RJ11, RJ45, and coax cable, test ports support low voltage testing with no need for adapters, ensures high quality installations and expedites cable problem resolution in active network environments
  • Includes MicroScanner2 cable verifier with detachable wire map adapter, user guide, (2) AA alkaline batteries, carry pouch, 1 year warranty
  • Oversized backlit LCD screen displays clear results in bright light or complete dark with intuitive icons, shows 4 test modes at once: Graphical wire map, pair lengths, distance to fault with TDR, cable ID, and far end device, detects 10/100/1000 Ethernet, POTS, and PoE
  • Cable Tests include Length (460 meter or 1500 feet with resolution to 0.3 meter or 1 feet), wire map to TIA 568A/B standards, remote ID locators. Coax F connector for 75 ohm, 50 ohm, 93 ohm cables; PoE detection: Solicits and detects the presence of 802.3af compatible PoE (Power over Ethernet) devices to rule out power as source of problems
  • Rugged housing with integrated rubber easy grip holster and magnetic strap, locates virtually any cable or wire pair with Intellitone digital and analog toning, probe sold separately
Rank No. #8
Klein Tools VDV526-052 Cable Tester, LAN Scout Jr. Network Tester / Continuity Tester for RJ45 Data Cable Twisted Pair Connections
  • Cable tester for twisted pair, data cables terminated with RJ45 connectors
  • Displays wire map
  • Easy to use, compact tool saves time and money on the job
  • Dual function button- operates test functions and tone generator
  • Large display for easy identification
Rank No. #9
D YEDEMC Mini-Pro SM OTDR 1310/1550nm 26/24dB 4.3 inches Touch Screen Test Rang 5m-100Km Optical Network Tester Built in OPM / OLS / RJ45 / VFL UPC Connector with FC/UPC-FC/APC-SX
  • Mini-Pro OTDR Test Wavelength 1310/1550nm,Test Range 5m~100km,Dynamic Range 26dB/24dB (Note: it can't test spliter,if test the spliter,the Dynamic need more than 42dB. Before test or test result is not accurate,pls using the Alcohol cotton to clean the fiber connector.).Test Unit km, kft, mi ; Connector FC/UPC. With FC/APC-FC/UPC-SX And FC/SC/LC/ST Adapter.
  • Built-in OPM Calibration wavelength (850/980/1300/1310/1490/1550/1625/1650nm); Built-in OLS 1310/1550nm;Bulit-in VFL 10Mw
  • Built-in Other fuctions: RJ45 Sequence test ;RJ45 Cable Tracker (with detector); RJ45 Line length test ; Distance Meter;Flashlight
  • 4.3 inches 800x480 IPS TFT-LCD,Multi touch capacitive touch screen
  • Lifetime Friendly Customer Service,if have problem,pls contact us.
Rank No. #10
Triplett Byte Brothers Testing Kit with Real World Certifier Ethernet Cable Category Verifier / COAX Tester and Power Panel CAT 5/6 Digital Voltmeter (CPK1000IL2)
  • Quickly test cables with the RWC digital test (CAT5, 5e, 6) - both mechanical and speed parameters; port testing includes both advertised and negotiated speeds
  • The Power Panel displays voltage/activity on your cable pairs; device type (PoE/Switch/NIC); phone connected (DSL Model, AVAIL); voltage level (POTS and PoE)
  • Force a LAN device to speak; Simulate a PoE device; Compatible with IEEE and Cisco standards
  • Compatible with all 10MB, 100MB and GIGABIT networks
  • Includes Remote Unit (RWC1000R), two Cat 6 Patch Cables, two RJ45/coax adapters, 6' Printer/PC cable, 1 hour Welcome DVD, Protective zipper case, and three 9V Batteries
SaleRank No. #11
RJ45 Ethernet Cable Tester and Crimper Kit, Pass-Thru Technology, Includes Connectors for Cat5e / CAT6 Data Applications Klein Tools VDV026-813
  • 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
SaleRank No. #12
Fluke Networks MT-8200-49A Copper Tester
  • Imported from: Taiwan
  • Commercial brand: Fluke Networks
Rank No. #13
Hiija LAN Network Cable Tester / Continuity Tester for RJ45 RJ11 RJ12 Data Cable Twisted Pair Connections, CAT5/CAT6/CAT7 UTP LAN Wire Test Tool
  • Cable tester automatically tests the continuity, open, shorted of twisted pair data wiring (RJ45/RJ11/RJ12 ) connections; Visible LED status display.(DC9V battery/charger not included)
  • The LED lights will flash in rotation if all the wires are properly connected, otherwise the corresponding light will not flash. The color of the LED light does not mean anything
  • Cable Type: RJ11 RJ12 Telephone cable and RJ45 LAN cable
  • Cable state testing (2-wire): Line DC detecting, and both anode and cathode determination, Ringing signal detecting open, short and cross circuit testing
  • Easy to use, compact tool saves time and money on the job
SaleRank No. #14
Optimal Shop Network Cable Tester Test Tool RJ45 RJ11 RJ12 CAT5 CAT6 UTP USB LAN Wire Ethernet
  • 100% new network tester, with LED lights and micro-power supply interface.
  • Keep your network running smoothly by testing your cables to uncover problematic shorts, open wires, crossing pairs and other wiring mishaps.
  • Use for testing your homemade Ethernet patch cables to make sure they are in working order prior to connecting to your devices.Tests RJ45 cables, RJ11 telephone cables and network cables.
  • Easy to read LED display indicates problems.Hand-held for portability.
  • Requires one 9-volt battery (not included).Battery is advised to change if any weak light appears.Or through the micro-port power work.
Rank No. #15
NOYAFA Network Cable Tester,AT278 TDR Multi-functional LCD Tracker For RJ45, RJ11, BNC, Metal Cable,PING/POE NF-8601S
  • Fault distance: Measures cable length and display the distance to fault, graphical wire mapping, opens, shorts.
  • PoE & PING: PoE: identify PoE presence and detect how much voltage. PING: to test network performance, data packet, min & max time.
  • AC Filter: Tone trace cable with complete AC Interference Rejection, available on common switch & PoE Switch, much stronger than other tracers on markets.
  • Hub blink: To locate network port by the flashing port light on a server/switch/hub/router port.
  • Addtional Benefits: TF card included to export data to PC ++Voltage detector: included in receiver (90-1000V) ++Rechargeable Lithium battery for more efficient work.
SaleRank No. #16
Fluke Networks CIQ-100 Copper Qualification Tester, Qualifies and Troubleshoots Category 5-6A Cabling for 10/100/Gig Ethernet, Coax and Voip
  • Qualifies cabling performance for 10/100/Gig Ethernet, tests and troubleshoots all copper media cabling: Twisted pair (Category 5 6A), coax, and audio
  • Includes CableIQ Qualification Tester with detachable wire map adapter, (2) RJ45/RJ 45 patch cord, USB cable, coax 'F' push on adapter, user guide, (4) AA batteries, soft carry case, 1 year warranty
  • Advanced troubleshooting features; Length, distance to fault, graphical wire mapping, opens, shorts, power over Ethernet (POE) detection
  • Works on live networks to provide Ethernet switch detection and device configuration
  • Locate and trace cables with digital toning technology. Requires IntelliTone 200 Digital Probe (included with CIQ KIT)
Rank No. #17
D YEDEMC Mini-Pro 1310/1550nm SM OTDR Mulit-Function Tester Built in OPM / OLS / RJ45 Test / VFL Test Rang 5m-60Km Dynamic Range 24dB/22dB Connector UPC with FC/APC-FC/UPC-SX
  • Functions: For evaluating FTTx and access network construction and maintenance, identifying fiber breakpoints, measuring cable length, and calculating relative optical power losses.
  • Parameters:Mini-Pro OTDR Test Wavelength 1310/1550nm,Test Range 5m~60km,Test Unit is km. Dynamic Range 24dB/22dB (can't test spliter,if test the spliter,the Dynamic need more than 42dB) .Connector FC/UPC (Interchangeable SC、ST)
  • Built-In: 3.5 inch Color Display (not touch);OTDR, Event Map, Power Meter, Light Source, VFL, Cable Length Measurement Tool, Cable Tracker, and RJ45 Sequencer
  • Internal Storage: Micro USB Data Interface; External storage TF Card. Analysis Software included for further data analysis or processing,(Note:The Analysis Software need install on PC,Using the Analysis Software open print the test result and print)
  • Lifetime Friendly Customer Service,if have problem,or can't the OTDR test,pls contact us.Note:pls not test the live fiber,otherwise it may burn the instrument.
Rank No. #18
Network Cable Tester, AT278 TDR Multi-Functional LCD Wire Tracker for RJ45, RJ11, BNC, Metal Cable,PING/POE NF-8601S for Length Testing
  • 【Main Function-Fault Distance】Measures cable length and display the distance to fault, graphical wire mapping, opens, shorts.
  • 【PoE & PING】PoE: Identify PoE presence and detect how much voltage. PING: To test network performance, data packet, min & max time.
  • 【AC Filter】Tone trace cable with complete AC Interference Rejection, available on common switch & PoE Switch, much stronger than other tracers on markets.
  • 【Hub Blink】To locate network port by the flashing port light on a server/switch/hub/router port.
  • 【AT278 Cable Tester Benefits】TF card included to export data to PC; Voltage detector: included in receiver (90-1000V); Rechargeable Lithium battery for more efficient work. Low voltge alarm function and automatic delay power on-off. Big LCD color screen 320*240 and lighting lamp in darkness.
SaleRank No. #19
Klein Tools VDV501-829 Cable Tester, VDV Commander with Test-n-Map Remotes, Cable Installation Tone Generator and Probe Kit
  • Cable tester locates, tests and measures coaxial, data (RJ45) and telephone (RJ11) cables
  • Identify wiring faults including miswire, open fault, short fault, split-pair, wire map
  • Detect, identify and test Power over Ethernet (PoE)
  • Measure cable length and distance-to-fault with Time Domain Reflectometry (TDR) technology
  • Four tone options with probe included
SaleRank No. #20
Cable Tester, ENGiNDOT 2021 Upgraded Multifunction RJ11 RJ45 Wire Tracker, Line Finder with Digital Probe for Ethernet LAN Network Cable Collation - CT03 Pro
  • 【 2021 UPGRADED DIGITAL SIGNAL 】 - The 2021 upgraded digital signal is free from interference, which is stronger and more stable than analog signal. Fast to locate the breakpoint without damaging wire's skin. The ethernet tester is easy to track buried and hidden wires. Perfect for tracking RJ11, RJ45, cables or other metal wire (via adapter).
  • 【NETWORK & TELEPHONE LINE TEST】- The network cable tester can detect the physical connection status of the network cable, such as open circuit, short circuit, reverse connection, etc. Using the emitter to test the working status of TIP, RING line, and the positive/negative polarity of line level. In addition, you can adjust the volume of the receiver by pressing the volume button.
  • 【WIRE TRACKING】 - The ethernet cable tester can trace Ethernet LAN wires and electrical wires. Note: The wires must be power-off. It is recommended to separate some wires while using clip connections and then select "Scan". If the "Scan" indicator is on, emitter works properly , and you can use the receiver to find the target wire. ast to locate the breakpoint without damaging wire's skin.
  • 【EARPHONES DESIGN】 - The network tester comes with a pair of earphones, use the earphone to receive information in a noisy environment. Notice that if the sound is low, please check the battery. The LED flashlight makes it easier to operate in the dark.
  • 【PACKAGE CONTENT】 - 1* Receiver, 1* Transmitter, 1* RJ11 Converter Interface, 1* RJ45 Converter Interface, 1* Earphone, 1* Carrying Case, 1* User Manual, 2* 9V Batteries

Last update on 2021-11-12 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Q: What’s the difference between RJ45 and CAT5?

A: RJ45 is the electrical interconnection standard that defines the connector and how the wires are arranged at the end of the cable while CAT5 is a standard regarding Ethernet cables.

Q: What is the purpose of a RJ45 connector?

A: In modern domestic and commercial environments, RJ45 connectors are primarily used for plugging an internet-enabled device directly into hardware such as a modem, router, or server. The connectors themselves are the modular sets of fittings at either end of the physical data connection (Ethernet cable) joining one networked device to another.

Q: Where is the RJ45 connector commonly used?

A: RJ45 is a type of connector commonly used for Ethernet Networking (UTP Cable – Cat5, Cat6). Since Ethernet cables have an RJ45 connector on each end, Ethernet cables are sometimes also called RJ45 cables.

Q: How many types of RJ45 connectors?

A: Generally, there are two types of Rj45 cable connectors: the standard patch cables and the crossover cables. Standard patch cables are used to connect a cable modem to a router or to a switch, or to connect a computer to a network router/switch.

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