ÖNORM EN 300720-2 V 1.1.1

The present document applies to UHF on-board communications systems and equipment. This equipment is intended for operation, utilizing class of emission G3E, either on single-frequency or two-frequency simplex channels on those frequencies specified in tables 1 and 2. Table 1: Single frequency simplex channels Channel designator Frequency Channel A 467,525 MHz Channel B 467,550 MHz Channel C 467,575 MHz Channel D 457,525 MHz Channel E 457,550 MHz Channel F 457,575 MHz Table 2: Two-frequency simplex channels for use with repeater only Channel designator Transmit frequency Receive frequency Channel G 467,525 MHz 457,525 MHz Channel H 467,550 MHz 457,550 MHz Channel J 467,575 MHz 457,575 MHz The present document is intended to cover the provisions of Directive 1999/5/EC (R&TTE Directive) [1] Article 3.2, which states that radio equipment shall be so constructed that it effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so as to avoid harmful interference. In addition to the present document, other ENs that specify technical requirements in respect of essential requirements under other parts of Article 3 of the R&TTE Directive [1] may apply to equipment within the scope of the present document.