With the rapid grwoth of smart devices and mobile payments, Near Field Communication(NFC) has become a key infrastructure technology in the global IoT ecosystem. To help manufacturers improve tag performance consistency and solve long-standing issues such as unstable read range. ReadFind IoT has introduced a complete set of multi-scenario NFC testing and variation analysis solutions covering R&D, production lines, and qualtiy inspection.
NFC Adoption Accelerates, Making Tag Performance Consistency More Critical
NFC technology continues to expand across mobile payment, access control, smart labels, and interactive applications. As usage increaseas, the stability and consistency of NFC tag performance have become major concerns for the industry.

For HF/NFC tags, three antenna parameters- F0 resonant frequency, Q-value, and ATT sensitivity-play a decisiverole indetermining readrange. However, many manufacturers face a common challenge:
Even when two tags share the same F0, Q, and ATT values, their actual read range can still differ significantly.
In mass production, some batches may also show ” air read-range blind spots”, where certain tags fail to achieve the expected read distance even under ideal test conditions. This creates quality risk for both brands and manufacturers.
ReadFind IoT introduces Deep Variability Analysis and Multi-Scenario NFC Testing Systems
To address these industry challenges, ReadFind IoT offers a full suite of NFC testing solutions for R&D, pilot runs, and high-volume production.
Laboratory-Grade NFC Performance Testing
Used for antenna design verification, parameter optimization, and structural analysis.
Key Features:
One -Button Operation: Simple and intuitive
Compact and protable (Only 800g)
Low pwer consumption: Powered Via 5V USB
Trusted by Sony Felica NFC laboratories for high-accuracy data
Wide test frequency range:10kHz-100MHz
Measures three core NFC parameters:F0, ATT sensitivity, Qvalue
Widely adopted by RFID/NFC tag manufacturers worldwide



Single-Channel Online Testing System
Designed for real-time monitoring on medium-speed production lines.
Key Features:
Supports DSUB interface with PLC control, or Windows registry mode for IPC data collection
Fast data acquisition: up to 500 ms per test
Frequency range: 10KHz-100MHz
Automatically saves TXT data, test screens, and curves for traceability
Customizeable test probes for different NFC product sizes (antenna, inlay, label, card)

Multi-Channel Online Testing System
Built for high-speed production lines requiring large – scale consistency testing.
Key Features:
Modular multi-column design: each unit supports two test antennas
Units can be combined freely to form multi-channel test arrays
High-Speeed testing: 150 ms per test head
Frequency range: 1MHz-100MHz
Customizable test probes for various NFC product formats



NFC Auxiliary Testing Tool – TAT150
Designed for quick debugging, on-site verification, and engineering support.
Key Features:
What It Does:
A high-frequency (10-100MHz) Signal attenuator used to reduce electric-field strength without affecting resonance
Helps analyze read – range issues that cannot be explained F0, ATT, or Q alone
Provides an additional diagnostic layer for difficult or borderline cases


Trusted by Customers in 60+ Countries
ReadFind IoT focuses on developing and manufacturing unique, scenario-specific RFID tags and RFID+ solutions, dedicated to promoting IoT applications through RFID sensing and auto-identification technologies
Headquartered in Shangahi’s Caohejing Hi-Tech Park, with our manufacturing facility in Yangzhou Economic and Technological Development Zone, Jiangsu, we serve customers acroos 60+ countries worldwide.
As the global distributor of Japan’s Testram RF testing equipment, ReadFind IoT provides:
LF/HF(NFC) and UHF testing systems
Solutions for laboratory testing, Online production testing, and mass-production quality control
RF performance and consistency testing for smart cards(contactless and dual-interface), inlays, and various RFID/NFC tags.
With its complete product ecosystem and advanced testing capabilities, ReadFind IoT is accelerating the high quality deployment of RFID and NFC technologies worldwide