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(Japan:WPT) Technical Conditions Under Review for Outdoor Use of 920 MHz Band WPT Systems
Japan’s Ministry of Internal Affairs and Communications (MIC) is currently reviewing technical conditions to expand the usage of 920 MHz band Wireless Power Transfer (WPT) systems, which are expected to be widely used for powering sensor equipment in factories and warehouses.
The review focuses on broadening the operational scope of WPT systems under the following proposed technical conditions.
Key Technical Conditions Under Consideration -
- ■ Outdoor WPT Systems
- • Systems previously limited to indoor use would be permitted for outdoor operation.
- • Frequency and Power: 917.9 MHz to 919.3 MHz, Maximum output power: 1 W or less
- • Transmission Time: In general environments: up to 4 seconds of transmission, followed by a minimum idle period of 50 ms
- • In managed (controlled) environments: no specific transmission time limit is defined
- ■ Specific Low-Power WPT Systems
- • A new category of WPT systems designed to maximize deployment flexibility by removing installation location restrictions.
- • Installation and Power:
- - No restrictions on installation location
- - Antenna output power: 0.25 W or less
- • Carrier Sense Requirement:
- - To prevent interference, the system must verify channel availability for at least 500 ms prior to transmission
(Japan: HAPS) Advances Technical Framework for High Altitude Platform Stations (HAPS)
Japan’s Ministry of Internal Affairs and Communications (MIC) is reviewing technical conditions to establish regulatory frameworks for High Altitude Platform Stations (HAPS), a next-generation communications technology designed to expand coverage to remote islands, maritime areas, and mountainous regions, while also enabling rapid restoration of communications during disasters.
HAPS involves deploying base stations on unmanned aerial platforms operating in the stratosphere, and the following technical conditions are currently under consideration:
[Key Technical Conditions Under Review]
- HAPS
- - Operating altitude: 18 km or higher
- - Frequency band: 38 GHz band (38.0–39.5 GHz)
- HIBS (HAPS as IMT Base Stations):
- - Operating altitude: 18–25 km
- - Frequency band: 2 GHz band
- Aerial Mobile Platforms (e.g., drones, helicopters):
- - Frequency bands: 800 MHz, 900 MHz, 1.7 GHz, and 2 GHz
(Japan: Inter-carrier roaming and Multi SIM) Update on Inter-Carrier Roaming and Multi-SIM Emergency Call Regulations
Japan’s Ministry of Internal Affairs and Communications (MIC) has announced the implementation timeline and key requirements related to inter-carrier roaming and Multi-SIM emergency call functionality. The main points are summarized below.
-
1. Multi-SIM: Emergency Call Functionality
- Applicable devices:
- - Mobile phones equipped with 4G/5G Multi-SIM slots that support VoLTE
- Implementation schedule:
- - Data-only SIM (1st) + Voice SIM (2nd): Mandatory from July 1, 2025
- - Voice SIM (1st) + Voice SIM (2nd): Scheduled to take effect from January 1, 2026
- Applicable devices:
- 2. Inter-Carrier Roaming: Emergency Calls During Network Outages
- Inter-Carrier Roaming: Emergency Calls During Network Outages
- Purpose: To guarantee connectivity for emergency calls (e.g., 110, 119) in the event of a carrier network outage by enabling roaming between different mobile network operators.
- Applicable devices and effective date:
- 4G VoLTE-supported devices and Mobile routers (data-only devices)
→ Mandatory from October 1, 2025 - Excluded devices:
- - NB-IoT devices
- - LTE-M devices
- - Receive-only terminals
- →These device categories are not subject to the inter-carrier roaming requirement.
- 3. Exception Procedure for Devices with Implementation Difficulties
- If it is technically difficult to implement the required functionality, manufacturers may apply for prior approval from MIC.
- Applicable device types:
- - Wearable devices
- - In-vehicle communication units
- - Other devices with inherent technical constraints
- Important notes:
- - Manufacturers must clearly justify the technical reasons why implementation is difficult and obtain MIC approval in advance before proceeding with certification.
- - In approved cases, transitional measures of up to two years may be granted.
(Nicaragua: Certification Regulation) Nicaragua Publishes TELCOR Certification Regulations for Telecommunications and Radio Equipment
Nicaragua has issued Agreement No. 004-2025 to strengthen and formalize its regulatory framework for telecommunications and radio equipment. The regulation was published in the Official Gazette (La Gaceta) on November 18, 2025, and entered into force immediately upon publication.
The key provisions are summarized below.
- Mandatory Certification Labeling Requirement
A new mandatory certification labeling requirement has been introduced for telecommunications equipment certified by TELCOR.- 1) Manufacturers, importers, and distributors are required to affix a designated label to all telecommunications equipment that has obtained TELCOR certification.
- 2) The label must include the TELCOR certification approval number and must be clearly visible and legible to the naked eye.
- 3) A sample label format is provided in the regulation.
- Clarification of Certification-Exempt Equipment
The regulation clearly defines categories of equipment that are exempt from TELCOR certification, including:- 1) Telecommunications equipment not connected to public telecommunications networks
- 2) (excluding equipment that emits radio frequency signals)
- 3) Radio equipment operating in the CB band or Amateur Radio services
- 4) Industrial, Scientific, and Medical (ISM) equipment that does not contain wireless communication modules
- 5) Radio equipment used on a limited basis by government authorities for internal networks or official functions
- 6) Communications equipment used by the military or national police for public order maintenance and national security purposes
- 7) Telecommunications equipment imported solely for transit purposes
- 8) Telecommunications equipment temporarily imported for humanitarian aid or rescue missions as part of official international emergency assistance
- 9) Telecommunications equipment temporarily imported for demonstration purposes at trade fairs, exhibitions, or industrial events
- 10) Telecommunications equipment officially listed as certification-exempt on the TELCOR official website
(Niger: Certification Regulations) ARCEP Introduces Enhanced Certification Regulations for Radio and Telecommunications Terminal Equipment
Niger’s telecommunications regulatory authority, ARCEP, has adopted Decision No. 000011/ARCEP/CNRCEP/25, strengthening the certification procedures for radio equipment and telecommunications network-connected terminal devices.
The regulation entered into force on October 8, 2025, based on the date of signature.
The key provisions are outlined below.
- Implementation of Niger ARCEP Certification Labeling Requirements
- 1. Required label information:
- - Approval number
- - Approval date
- - Model name
- - Batch number / Serial number
- - Manufacturer name
(No specific label format is prescribed.)
- 2. Although labeling provisions existed under previous regulations, they were not enforced in practice. With the issuance of this Decision, labeling requirements are now mandatory.
- 3. No retroactive application:
- - The labeling requirement applies only to products certified on or after October 8, 2025.
- 1. Required label information:
- Sample Submission Requirements
- 1. Applicable products:
- - Terminal equipment that connects to public telecommunications networks
- 2. Sample quantity:
- - Two (2) normal samples are required for certification
- 3. Other radio equipment:
- - Sample submission may be required upon request by the certification authority
- 1. Applicable products: