Radio spectrum is a valuable and limited natural resource that is crucial in various technologies, services, and daily wireless communication activities. Radio spectrum represents a key pillar of technologies, services, and daily wireless communications' activities. It encompasses a range of electromagnetic waves utilized for transmitting information between different points. These waves are categorized by their frequency, technical characteristics, and technological uses in satellites, mobile phones, Wi-Fi, Bluetooth, and other fields.

The interference form should be filled out and sent to the Spectrum Field Operations Center at Spectrum_FOC@cst.gov.sa. Once the form is submitted, the Spectrum Field Operations Center will investigate the complaint.

1. You can submit your application form by email to Frequency@cst.gov.sa.
2. Once the form is submitted, CST will review the application. After the review process is completed, CST will notify the applicant of the outcome.
3. The applicant will need to pay the fees before we can assign the frequencies and send you the license.
4. The applicant is responsible for notifying CST when the equipment reaches any of the ports in the Kingdom for technical inspection and customs clearance.

1. You can submit your application form by email to Frequency@cst.gov.sa.
2. Once the form is submitted, CST will review the application. After the review process is completed, CST will notify the applicant of the outcome.
3. The applicant will need to pay the fees before we can assign the frequencies and send the license.
4. The applicant is responsible for notifying CST when the equipment reaches any of the ports in the Kingdom for technical inspection and customs clearance.

1. Submit your application through the license portal.
2. Attach the required documents according to the service requested.
3. Once the application is submitted, CST will review it. After completing the review process, CST will notify the applicant of the outcome.
4. In order to obtain the license, the applicant must pay the fees.
5. The applicant is responsible for notifying CST when the equipment reaches any of the ports in the Kingdom for technical inspection and customs clearance.

You will receive three text messages to the mobile number registered in the application. These messages will contain the following content:

• The first message will include your order number, confirming the receipt of your order.
• The second message will be sent when the request begins to be processed.
• The third message will be sent upon the completion of the processing of your application. It will contain the outcome of the application, indicating whether it has been executed or rejected, along with an explanation of the reasons for the rejection.

you can pay through SADAD System: Note that CST code in SADAD is (042).

According to the Frequency Licensing Fees Regulations, the annual fee for a wireless device license operating an internationally coordinated group of frequencies for maritime service is 200 SAR per device. However, wireless devices used in safety services and internationally coordinated search and rescue systems are exempt from the licensing fee.

Yes, wireless device licenses for marine units can be renewed for a maximum of five years at the applicant's request. This is done by applying through the license portal.

You can cancel your maritime wireless device license by completing the steps below:

• Attach a cancellation Transport Document proof from the Transport General Authority and apply through the license portal. Once the documents have been attached and the application has been submitted through the license portal, the maritime wireless device license can be successfully canceled.

You can cancel your amateur wireless device license by completing the steps below:

• The applicant should submit a cancellation request through the license portal.
• CST will cancel the license (amateur or station) based on "Article 26" of the amateur radio service regulations.

1. Submit your application through the license portal.
2. Attach the required documents according to the service requested.
3. Once the application is submitted, CST will review it. After completing the review process, CST will notify the applicant of the outcome.
4. In order to obtain the license, the applicant must pay the fees.
5. The applicant is responsible for notifying CST when the equipment reaches any of the ports in the Kingdom for technical inspection and customs clearance.

Yes, CST assigns the ship a call sign and Maritime Mobile Service Identification (MMSI) number for three months for the vessel to sail. However, the applicant should apply for a permanent license when it arrives at any of the Kingdom's ports.

According to the Telecommunication and Information Technology Act (Article 10), CST is responsible for preparing the National Frequency Plan (NFP) in coordination with the relevant authorities, taking into account the requirements of other regulations and international agreements to which the Kingdom is a party. The NFP includes the national frequency allocations table (NFAT), which illustrates the allocations of frequency bands for various radio services in the Kingdom in conformity with the Radio Regulations (RR) issued by the International Telecommunications Union (ITU). The NFAT also shows the category of users allocated for each frequency band.

The National Frequency Plan (NFP) consists of two categories of users: 'Government' and 'Civil'. In the frequency allocation table (FAT), the bands are identified according to the category of the user.

As part of spectrum management, spectrum monitoring measures, monitors, evaluates, and analyses spectrum usage to protect licensed users from frequency interference, free bands from unlicensed use, ensure efficient spectrum use, and ensure that the spectrum usage complies with national and international regulations.

The error message is likely due to incorrect or incomplete information being entered in the required fields. It's important to make sure all required information is entered correctly. Please follow the guide and ensure the requested information is filled out correctly. If you need assistance, you can reach us at citc-sp@cst.gov.sa.

According to the Telecommunication and Information Technology Act (Article 12), no user or service provider may use any frequency unless allocated thereto by the Commission and after obtaining the necessary license and paying the Fees. The frequency license fees are calculated according to the Frequency Licensing Fees Regulation.

The spectrum license fees should be paid within three months from license issuance. Otherwise, the license will be canceled.

Licenses are issued for one Gregorian year. CST reviews the licenses annually and renews them accordingly. The licensees will be notified if their licenses are renewed successfully.

All licensees are eligible to request modifications to their radio assignments. After reviewing the request, CST will inform the applicant of the outcome.

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