{"product_id":"digital-line-tester-lcd-ncv-rj45-rj11-cable-tester","title":"Digital Line Tester LCD NCV Function RJ45 RJ11 Cable Tester","description":"\u003ch2\u003eDigital Line Tester with LCD Display, NCV Detection \u0026amp; RJ45\/RJ11 Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eTake the guesswork out of network and cable diagnostics with this professional-grade \u003cstrong\u003eDigital Line Tester\u003c\/strong\u003e. Featuring a clear \u003cstrong\u003eLCD display\u003c\/strong\u003e, built-in \u003cstrong\u003eNCV (Non-Contact Voltage) detection\u003c\/strong\u003e, and broad cable compatibility, this compact tool is essential for IT professionals, electricians, home network installers, and DIY enthusiasts alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Cable Compatibility:\u003c\/strong\u003e Tests RJ11 and RJ45 UTP\/SSTP twisted-pair cables as well as coaxial cables — covering the full range of common network and telephone wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoE Standard Identification:\u003c\/strong\u003e Identifies 802.3af\/at Power over Ethernet standards and detects port power positions — ideal for Internet rooms, security systems, and low-voltage installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNCV Non-Contact Voltage Detection:\u003c\/strong\u003e Alerts you to live circuits at 40V and above without direct contact, helping you work confidently around energized wiring during installation and maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Tracing Capability:\u003c\/strong\u003e Compatible with the UT683R Marker for 125KHz interference-resistant cable tracing through buried or in-wall wires — locate hidden cables with confidence.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LCD Display:\u003c\/strong\u003e Bright, easy-to-read screen delivers at-a-glance results, even in low-light environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Cylindrical form factor measuring approximately 18×80mm (0.71×3.15 in) fits comfortably in a tool pouch, pocket, or kit bag.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to Use:\u003c\/strong\u003e Plug-and-test design — no complex setup required. Delivers professional-level results right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 18×80mm (0.71×3.15 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Types Supported:\u003c\/strong\u003e RJ11, RJ45, UTP, SSTP, Coaxial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoE Standards:\u003c\/strong\u003e 802.3af \/ 802.3at\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNCV Detection Threshold:\u003c\/strong\u003e 40V+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Tracing Frequency:\u003c\/strong\u003e 125KHz (with compatible UT683R Marker)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVendor:\u003c\/strong\u003e Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis Digital Line Tester is the perfect addition to any toolkit for network technicians, home office builders, security system installers, and electricians who need a fast, reliable way to verify cable integrity, detect live voltage, and trace hidden wiring — all in one handheld device.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on electrical safety best practices when working with wiring and low-voltage systems, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What types of cables can the Digital Line Tester test?\u003c\/h4\u003e\n\u003cp\u003eA: This Digital Line Tester supports RJ11 and RJ45 UTP\/SSTP twisted-pair cables as well as coaxial cables. It also identifies 802.3af and 802.3at PoE standards and detects port power positions, making it suitable for network rooms, security setups, and low-voltage wiring projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the NCV (Non-Contact Voltage) detection work?\u003c\/h4\u003e\n\u003cp\u003eA: The NCV function allows the tester to detect the presence of live voltage at 40V or above without making direct contact with the conductor. Simply hold the tester near a wire or cable — it will alert you if voltage is present, helping you work more safely around potentially energized circuits.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this tester to trace cables inside walls or underground?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Digital Line Tester is compatible with the UT683R Marker, enabling 125KHz interference-resistant cable tracing. This makes it well suited for locating buried or in-wall wires without destructive investigation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this tester suitable for home use or only professional settings?\u003c\/h4\u003e\n\u003cp\u003eA: This tester is designed to deliver professional-level results in both home and commercial settings. Its compact cylindrical design, intuitive LCD display, and plug-and-test operation make it accessible for DIY home network setups as well as professional IT and electrical installations.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of cables can the Digital Line Tester test?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Digital Line Tester supports RJ11 and RJ45 UTP\/SSTP twisted-pair cables as well as coaxial cables. 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