In January 2026, the Telecommunications Authority of Trinidad and Tobago (TATT) published Version 4.0 of the Trinidad and Tobago Frequency Allocation Table (TTFAT), covering 8.3 kHz to 3000 GHz . The updated table aligns the national spectrum framework with the 2024 edition of the ITU Radio Regulations and incorporates outcomes from WRC-23.
Alignment with ITU Region 2 and National Variations
Trinidad and Tobago falls within ITU Region 2 and structures its allocations in accordance with Article 5 of the ITU Radio Regulations. The TTFAT adopts the Region 2 allocation table while incorporating national variations through Trinidad and Tobago specific footnotes.
The document reflects revisions arising from multiple World Radiocommunication Conferences, including WRC-19 and WRC-23, as incorporated into the 2024 Radio Regulations. While ITU encourages harmonization to reduce cross-border interference, Member States retain the authority to vary allocations to meet domestic requirements, provided harmful interference is not caused to other administrations.
National Footnotes and Domestic Spectrum Policy
In addition to ITU footnotes, the TTFAT includes Trinidad and Tobago footnotes identified by the prefix TT. These national footnotes:
Address specific domestic spectrum requirements
Clarify alignment with national spectrum plans
Identify bands designated for class-licensed devices
The consultation appendix confirms that certain bands are specifically identified for industrial, scientific and medical (ISM) applications. For example, the 902–928 MHz band has been identified for ISM use. This designation directly impacts short-range wireless technologies and device authorization pathways.
Implications for Bluetooth, Wi-Fi and Short-Range Devices
Bluetooth and Wi-Fi technologies typically operate in ISM-designated bands. The TTFAT framework makes clear that spectrum use must align with the National Spectrum Plan and related regulatory instruments .
The Scope section explains that the TTFAT stems from the National Spectrum Plan and references updates to frequency identifications for class-licensed devices . It also references supporting instruments such as:
Schedule of Devices Eligible for Use under a Class Licence (TATT 2024)
Class Licensing Regime (TATT 2008)
Spectrum Management Framework (TATT 2022)
These documents determine whether wireless devices, including Bluetooth modules, Wi-Fi routers, IoT transmitters, and repeaters, may operate under a class licence or require specific approval.
The consultation matrix further clarifies that certain devices, such as cellular repeaters operating in the 700 MHz band, must be assessed and approved before installation to prevent harmful interference . If approved, the Schedule of Devices Eligible for Use under a Class Licence and the relevant footnote are updated accordingly.
This demonstrates that even when a band is allocated for mobile or other services, device-level authorization may still require review to ensure coexistence with adjacent services such as public protection and disaster relief systems.
Legal Authority and Spectrum Control
The TTFAT is issued under the Telecommunications Act, Chapter 47:31, which mandates TATT to plan, supervise, regulate, and manage the use of the radio frequency spectrum. The Authority is responsible for:
Allocation, assignment, and reassignment of frequency bands
Licensing and registration of radio frequencies
Ensuring compliance with the ITU Convention and Radio Regulations
Article 4.4 of the ITU Radio Regulations is also referenced, emphasizing that administrations must not assign frequencies in derogation of the allocation table unless the assignment does not cause harmful interference and does not claim protection.
For manufacturers of wireless devices, this reinforces that operation in Trinidad and Tobago must strictly align with allocated services, technical parameters, and national licensing frameworks.
For this article’s source information and any product certification guidance, please contact Global Validity.
Quick Country Facts
Trinidad & Tobago
Certification Body: Telecommunications Authority of Trinidad and Tobago (TATT)
Certification Type: Mandatory
License Validity: 60 Months
Application Language: English
Legal License Holder: Manufacturer
In-Country Testing Requirement: Testing Not Required
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