VHF radio receivers and transmitters operating in the maritime mobile service band (the specific frequency bands under the provisions of the national radio frequency spectrum planning) using both 12.5 kHz and 25 kHz channels.
List of specific devices required to conform with the QCVN: VHF telephone equipment used for maritime mobile service (HS code: 8517.18.00; Description: VHF transmitter for telephone and digital select call (DSC), with external antenna connector used on ships)
Electrical apparatus for line telephony or line telegraphy, including line telephone sets with cordless handsets and telecommunication apparatus for current-carrier line systems or for digital line systems; videophones (HS 8517)
Draft national technical regulation on VHF radiotelephone used for the maritime mobile service (65 page(s), in Vietnamese)
The draft national technical regulation is based on ETSI EN 300 162-1 V1.4.1 (2006-05) and ETSI EN 300 162-2 V1.2.1 (2006-12)
This national technical regulation specifies the minimum requirements for VHF receivers, transmitters for voice and digital select (DSC), with an external antenna connector for use on ships.
This regulation applies to VHF radio receivers and transmitters operating in the maritime mobile service band (the specific frequency bands under the provisions of the national radio frequency spectrum planning) using both 12.5 kHz and 25 kHz channels.
The following provisions are included:
1. General provisions
2. Technical requirements
3. Regulatory requirements
4. Obligation of organizations and individuals
Annex A (normative): Measuring receiver for adjacent channel power measurement.
Annex B (normative): Protocol for the IEC 61162-1 commands Frequency Set Information (FSI)
Annex C (normative): Radiated measurements
Annex D (normative): The list of VHF telephone equipment used for maritime mobile service must follow this QCVN.
This National technical regulation is intended to supersede current National technical standards (QCVN 52:2011/BTTTT "National technical regulation on VHF radiotelephone for the maritime mobile service