Regarding the standards and test items for Japan's "Radio Wave Act" MIC certification, I will provide a detailed explanation integrating the latest 2025 technical standards and regulatory focus.
The core of MIC certification is proving the device fully complies with the technical standards specified in Japan's "Radio Wave Act" and its subordinate "Radio Equipment Regulations." The table below summarizes the core certification standards and project framework as of 2025.
| Certification Dimension | Core Content & 2025 Latest Requirements |
| Regulatory System Core | "Radio Wave Act" and the "Radio Equipment Regulations" issued by MIC, detailing technical benchmarks for various radio equipment. |
| Core Testing Standards | ·RF Performance: According to specific "Technical Standards" (e.g., Article 49-2 for 2.4GHz/5GHz wideband devices). ·EMC: According to "Radio Law Enforcement Regulations" Appx.6 & VCCI standards. |
| Key Test Items | ·RF Conformance Test: Frequency Tolerance, Output Power, Occupied Bandwidth, Spurious Emissions, etc. ·EMC Test: Conducted Disturbance, Radiated Disturbance, Immunity. ·Cybersecurity Assessment: Access Control, Comm Encryption, Secure Update Mechanism (for connected devices). |
| Special Items (By Device Category) | ·5G NR Devices: n79 band Out-of-Band Emission, UE Positioning Function. ·Wi-Fi 6E/7 Devices: 6GHz band LPI Standard, AFC Function Verification. ·IoT Devices: Lightweight Encryption Protocol Evaluation, Anti-Tamper Mechanism. |
MIC Certification Test Items Deep Dive (2025 Updates):
Beyond the core items in the table, MIC certification includes more detailed tests. The following are recent regulatory priorities and challenges.
1.RF Performance Testing:
This is the foundation, verifying if the device's radio emissions are "clean" and well-behaved.
·Frequency Tolerance & Output Power: Ensures operation within permitted bands and power limits. For Wi-Fi 6E/7 in 6GHz, Japan has unique LPI and AFC power rules, significantly increasing test complexity.
·Spurious Emissions: Measures unwanted emission strength outside the operating band. Requirements are especially strict for 5G NR devices in n79 (4.8GHz) to protect adjacent aeronautical/satellite services.
2.Electromagnetic Compatibility (EMC) Testing:
Ensures your device doesn't interfere with others and isn't susceptible to interference.
·Electromagnetic Interference (EMI): Measures unwanted electromagnetic noise emitted via power lines (Conducted Disturbance) and space (Radiated Disturbance).
·Electromagnetic Immunity (EMS): Simulates real-world interference to check if the device operates normally (no reboot, data errors, performance degradation).
3.Cybersecurity Assessment (2025 Mandatory):
This is no longer optional but mandatory for all devices connecting to public networks.
·Core Requirements:** Per the "IoT Device Security Baseline," manufacturers must provide detailed security architecture documentation proving the product has:
Access Control Mechanisms
Communication Encryption (mandating TLS 1.2/1.3, IPsec, etc.)
Secure Boot & Firmware Verification
Vulnerability Management Strategy (committing to regular updates)
2025 Important New Regulations & Specific Product Requirements:
Beyond standard tests, pay close attention to newly implemented regulations and specific product requirements in 2025.
1.Standard Updates Are a Current Focus:
·Wi-Fi 6E/7: Japan fully opened 5925-6425 MHz for Wi-Fi and is planning for 6425-7125 MHz. Devices for these new bands must be tested against the latest Article 49-20; AFC system compatibility testing is now a key item.
·5G RedCap: Dedicated certification guidelines for mid-to-low-tier 5G IoT devices simplify some RF tests but strengthen battery life reporting and network access security assessment.
2.Specific Product Supplementary Requirements:
·UWB Devices: For precision positioning, must meet strict spectrum masks and transmit power control to avoid interfering with critical communications (e.g., GPS).
·VLP Devices: Ultra-Low Power devices in 6GHz (e.g., AR/VR glasses) are exempt but must ensure transmit power remains below the regulated very low limits.
We hope this in-depth overview of Japan MIC certification standards and items helps you better plan and execute product certification. If you can share your specific product type (e.g., 5G CPE, Wi-Fi 7 AP, IoT sensor), BLUEASIA: 13534225140, will provide professional certification consulting services!
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