Full technical review FNIRSI LPM-10A | Specs, Features & Feedback

Product Introduction

The FNIRSI LPM-10A Intelligent Cable Finder emerges as a critical tool for network professionals and enthusiasts alike, designed to streamline the complex tasks of network cabling, troubleshooting, and maintenance. In an environment where network reliability is paramount, this multifunctional device addresses common pain points such as identifying cable faults, locating specific lines in a bundle, and verifying network performance. Its unique blend of features, including anti-interference capabilities, a vibrant 2.4-inch color screen, and comprehensive testing modes, sets it apart from conventional cable testers. The LPM-10A is engineered for network technicians, IT managers, and anyone involved in setting up or maintaining wired networks, offering high precision and broad applicability to significantly enhance work efficiency and ensure seamless network operations. Check out our other technical reviews for more hardware testing.

Hardware specifications

Core Specifications: FNIRSI LPM-10A

Model Number: LPM-10A
Brand Name: FNIRSI
Origin: Mainland China
Certification: CE
Screen Material: 2.4-inch TFT color screen
Backlight: Adjustable backlight brightness
Power Supply: TYPE-C (5V/1A)
Battery: Built-in 1500mAh Lithium Battery
Language Support: Chinese, English
Product Size: Approximately 152x68x31mm
Battery Included: Yes
High-concerned chemical: None

Available Versions

Available Versions & Selection Guide

The FNIRSI LPM-10 series offers three distinct models: LPM-10A, LPM-10B, and LPM-10C, each tailored with specific functionalities to meet varying professional demands. The LPM-10A, measuring approximately 152x68x31mm, serves as the foundational model, providing essential network cable testing, cable tracing (normal and anti-interference), port flashing with auto identification for full/half duplex and auto/manual negotiation, network cable speed detection (10M/100M/1000M with duplex mode), PoE testing (standard/non-standard, end-span/mid-span/8-pin power type, power supply mode, power level), RJ45-8-core crimping test, and length measurement with specified accuracies (20M+/-1.6M; 20M-2.4M; 100M+/-3.2M). The LPM-10B, slightly larger at approximately 167x68x31mm, expands on these capabilities by integrating a Red Light Function with an optical test power of 10mW and an Optical Power Meter supporting wavelengths of 580, 1300, 1310, 1490, 1550, and 1625 nm, making it suitable for fiber optic applications. The LPM-10C, sharing the same compact size as the LPM-10A (approximately 152x68x31mm), focuses on network diagnostics by adding PING Test for IP connection verification and IP Scan functionalities. All models share core features such as a 2.4-inch TFT color screen, adjustable backlight, TYPE-C (5V/1A) power supply, a 1500mAh built-in lithium battery, and support for Chinese and English languages. The receiver unit across all models includes sensitivity adjustment, line search mode, wiring sequence comparison, NCV detection, headphone function, low voltage indication, and a flashlight function.

Package Contents

What’s in the Box?

The FNIRSI LPM-10A package includes everything necessary for immediate deployment and comprehensive testing:

LPM-10A Main Unit
RJ45 Network Cable
RJ11 Alligator Clip Test Cable
RJ45 to RJ11 Adapter Cable
Earpiece Cable
Type-C Charging Cable
Storage Bag

Features and benefits

Why I love FNIRSI LPM-10A

Professional Line Search Capabilities: The LPM-10A integrates a comprehensive suite of functions including line search, length testing, crimping test, network cable speed test, anti-interference, and port flashing. This makes it an indispensable tool for network cabling and troubleshooting, allowing users to quickly identify and resolve issues in complex network infrastructures.
Advanced Anti-interference and Noise-Free Tracing: Equipped with an anti-interference line search function, the device significantly reduces the impact of environmental noise. This ensures accurate cable location even in electrically noisy environments, improving work efficiency and reliability when tracing cables through walls or crowded conduits.
Intuitive and Convenient Operation: Featuring a 2.4-inch color screen display, clear function indicator lights, and a sensitivity knob, the LPM-10A offers a simple and intuitive user experience. The port flashing function further enhances convenience by allowing quick identification of connected ports on switches or routers, saving valuable time during setup and maintenance.
Comprehensive Network Cable Testing and PoE Analysis: The device supports detailed network cable connection tests, including wiremap, continuity, fault checks, and error prompts for RJ45 interfaces. It also performs robust PoE testing, automatically identifying standard/non-standard PoE, end-span/mid-span/8-core power supply types, power supply mode, and power level, which is crucial for deploying and troubleshooting Power over Ethernet devices.
Accurate Length Measurement and Speed Detection: Utilizing high-quality measurement technology, the LPM-10A provides reliable data for network cable length tests with specified accuracies (e.g., 20M+/-1.6M; 20M-2.4M; 100M+/-3.2M). It also accurately determines network cable speeds (10M/100M/1000M) and duplex modes (full-duplex/half-duplex), offering critical insights into network performance and potential bottlenecks.
Versatile Receiver Functions: The accompanying receiver unit is packed with features designed to enhance usability and diagnostic capabilities. It includes sensitivity adjustment for precise cable tracing, a wiring sequence comparison function, NCV (Non-Contact Voltage) detection for safety, a headphone function for noisy environments, a low voltage prompt to prevent unexpected shutdowns, and a built-in flashlight for working in dimly lit areas.
RJ45/RJ11 Compatibility and Withstand Voltage Test: The LPM-10A is compatible with both RJ45 Ethernet and RJ11 telephone line ports, making it a versatile tool for various cabling needs. Additionally, it supports a line withstand voltage test for RJ45-8 core cables, ensuring the integrity and safety of network installations.
Customizable User Experience: The device offers rich setting functions, allowing users to customize language (Chinese, English), screen brightness, volume, and automatic shutdown preferences. This personalization ensures the tool adapts to individual user needs and working conditions, enhancing overall comfort and efficiency.

Pros and Cons

Strengths & Weaknesses:

What I Like

Multifunctional capabilities including line search, length test, crimping test, network speed, and PoE testing.
Anti-interference design ensures reliable cable tracing in noisy environments.
Clear 2.4-inch color screen and intuitive operation with port flashing.
Comprehensive PoE detection (standard/non-standard, power type, level).
Accurate length measurement and network speed identification
Versatile receiver with NCV, flashlight, and headphone functions.
Robust build quality and included storage bag for protection.
Type-C charging for the 1500mAh built-in battery.

Points to Consider

Toner signal strength may be weak for professional use over long distances (reported as «a couple of meters only»).
Lacks a remote unit for instant continuity testing, requiring manual relocation for full cable tests.
Length measurement function can be inaccurate according to some user feedback.
Instructions for specific operating modes may not be sufficiently detailed.
The LPM-10A model does not include optical power meter or PING/IP scan features, which are available in LPM-10B and LPM-10C respectively.

Price and Availability

Where to Buy & Customer Reviews

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Store info

STORE

⭐ 98.6% Positive Feedback | 123.0K Followers

Name:	FNIRSI Official Store
Store no.:	2939001
Location:	China
Open since:	Feb 26, 2017

Detailed seller ratings

Item as Described	4.9 Above Average
Communication	4.9 Above Average
Shipping Speed	4.9 Above Average

OTHER GOODS

User reviews

User Reviews & Feedback Analysis ⭐ 4.9 (126) | Sold (800+)

Reviews FNIRSI LPM-10A

Authentic Feedback Analysis:
⭐ 5.0/5 | T***A: Packed perfectly. Respect to the seller, an excellent device for field work. Corresponds to the description. 10 stars to the seller.
⭐ 5.0/5 | D***c: Absolutely great item. I love it. Quality looks according to the description and it is excellent. Arrived quickly. No damage to the item. Well packaged. Safe to buy. Seller highly recommended.
⭐ 5.0/5 | M***o: Arrived early. Very nice.
⭐ 5.0/5 | V***o: Arrived very well packaged. It has already been turned on, but not yet used! Arrived within the deadline! I recommend the product!
⭐ 5.0/5 | R***e: Arrived on time, very well packaged. It is interesting for its practical operation and size.
⭐ 5.0/5 | D***a: Arrived quickly!
⭐ 5.0/5 | AliExpress Shopper: Arrived quickly, everything complete, easy to use…
⭐ 5.0/5 | W***s: Everything arrived correctly!
⭐ 5.0/5 | D***v: Delivered quickly, I was even surprised, considering the circumstances. The product fully corresponds to the description and even better considering the price. It is enough for my tasks (hobby computer equipment repair).
⭐ 5.0/5 | C***a: I am satisfied with the purchase, excellent quality material. The equipment is well built and seems to satisfy my expectations with the model.
⭐ 5.0/5 | M***P: Excellent presentation, good packaging, it is exactly as pictured, perfectly fulfills its function.
⭐ 5.0/5 | I***o: Excellent. I recommend it!
⭐ 5.0/5 | V***h: Excellent.
⭐ 5.0/5 | H***r: Good seller
⭐ 5.0/5 | J***k: Great first oscilloscope.
⭐ 5.0/5 | F***a: I already had one and bought another, they are incredible tools.
⭐ 5.0/5 | AliExpress Shopper: The device arrived well packaged, it arrived at my house in a timely manner, it is operational, I need to test it more, but everything is fine for now, I will comment later.
⭐ 5.0/5 | X***z: Arrived very well and on time, I already tested it and it works perfectly, totally happy with the purchase and I recommend it.
⭐ 5.0/5 | E***z: Arrived perfect, fast, very happy with the purchase.
⭐ 5.0/5 | A***o: Arrived quickly and in perfect condition, I tested it and it works very well for the price I bought it, it’s very good.
⭐ 5.0/5 | AliExpress Shopper: Very good product.
⭐ 5.0/5 | AliExpress Shopper: nice oscilloscope to use with my arduino projects
⭐ 5.0/5 | a***r: Great purchase.
⭐ 5.0/5 | d***r: Product as advertised. Very practical and functional.
⭐ 5.0/5 | И***ч: really good
⭐ 1.0/5 | U***s: Received a new oscilloscope with damages, it has many cracks and scratches, like a used item. The quality is terrible. Very bad store and seller. I strongly do not recommend. Repeat my mistake (
⭐ 5.0/5 | AliExpress Shopper: Received the item together with all accessories as per advertised. Looks sturdy, just tested the built-in 1kHz signal and it’s great it’s working.
⭐ 5.0/5 | AliExpress Shopper: Looks very good, still need to test its functionality.
⭐ 5.0/5 | C***i: Simply wonderful, an instrument with impeccable functioning, FNIRSI is to be congratulated for producing equipment like this, score 10.
⭐ 5.0/5 | AliExpress Shopper: All excellent. Thank you.
⭐ 5.0/5 | P***A: Top.
⭐ 5.0/5 | AliExpress Shopper: All ok.
⭐ 5.0/5 | v***i: Very good
⭐ 5.0/5 | AliExpress Shopper: Very nice
⭐ 4.0/5 | AliExpress Shopper: Very small. Hand palm size. Charger is working. I like it because it is not heavy, mobile hand-held oscilloscope, all parts complete no damage.
⭐ 5.0/5 | S***M: Wonderful price/functionality ratio.
⭐ 5.0/5 | С***н: All good, I recommend.
⭐ 5.0/5 | К***о: Everything is great. Case included.
⭐ 5.0/5 | К***о: Good oscilloscope. With case.
⭐ 5.0/5 | В***о: Delivered to Ukraine in 10 days.
⭐ 5.0/5 | O***a: Satisfied, good packaging, everything according to description.
⭐ 5.0/5 | AliExpress Shopper: Bought for study. Turned on, it works. Bought through America, cost about 23 dollars.
⭐ 5.0/5 | AliExpress Shopper: Ok, it works.
⭐ 5.0/5 | O***o: Oscilloscope and case.
⭐ 5.0/5 | К***о: Oscilloscope + case. All good.
⭐ 5.0/5 | q***4: Oscilloscope + case. All good.
⭐ 5.0/5 | T***i: Excellent product.
⭐ 5.0/5 | V***o: Delivered quickly, the device is red, but the main probe is crappy, unsealed, no complete set, and the cable itself is stiff. Good thing I bought a previous oscilloscope from this company, cheaper but the probe there was normal!
⭐ 5.0/5 | B***y: Product, delivery, all excellent.
⭐ 5.0/5 | O***o: Good oscilloscope. Thanks for the case.

Pinout and Interface Map

PRODUCT PARAMETER FNIRSI LPM-10A

FNIRSI 1C15

Comparison table

Technical Specifications & Comparison FNIRSI LPM-10A

Function / Model	LPM-10A	LPM-10B	LPM-10C
Network Cable Testing (Wiremap, Continuity & Fault Check, Fault Indication)	✓	✓	✓
Cable Tracing Test (Normal / Anti-Interference)	✓	✓	✓
Port Flashing (Auto Identification: Full/Half Duplex, Auto/Manual Negotiation)	✓	✓	✓
Network Cable Speed (10M/100M/1000M, Duplex Mode: Full/Half Duplex)	✓	✓	✓
PoE Test (Auto Identification: Standard/Non-Standard, End-Span/Mid-Span/8-pin Power Type, Power Supply Mode, Power Level)	✓	✓	✓
Crimping Test (RJ45-8-core)	✓	✓	✓
Length Measurement (20M+/-1.6M; 20M-2.4M; 100M+/-3.2M)	✓	✓	✓
Receiver Function (Cable Tracing, Wiring Sequence Comparison, NCV Check, Headphone, Low Voltage Indication, Flashlight)	✓	✓	✓
Red Light Function (Optical Test Power: 10mW)	×	✓	×
Optical Power Meter (Wavelengths: 580 / 1300 / 1310 / 1490 / 1550 / 1625 nm)	×	✓	×
PING Test (IP Connection Ping Test)	×	×	✓
IP Scan	×	×	✓
Screen	2.4″ TFT Color Screen
Backlight	Adjustable Backlight
Power Supply	TYPE-C (5V/1A)
Battery	1500mAh Lithium Battery
Language	Chinese, English
Product size	≈152x68x31mm	≈167x68x31mm	≈152x68x31mm

Final summary

Final Verdict: FNIRSI LPM-10A

The FNIRSI LPM-10A Intelligent Cable Finder stands out as a highly capable and cost-effective solution for network professionals seeking a versatile diagnostic tool. While some users noted limitations with the toner signal strength and the absence of a remote unit for immediate continuity testing, its comprehensive feature set—including anti-interference cable tracing, accurate length measurement, robust PoE testing, and a clear 2.4-inch color display—significantly outweighs these minor drawbacks. This device is an ideal choice for network technicians, IT administrators, and even advanced hobbyists who require a reliable instrument for everyday network cabling, troubleshooting, and maintenance tasks. Its main advantage lies in its all-in-one functionality and user-friendly design, making complex network diagnostics accessible and efficient, ultimately proving to be a valuable investment for ensuring network integrity. For more in-depth analyses, visit andibond.com.

FULL TECHNICAL REVIEW FNIRSI LPM-10A Intelligent Cable Finder