VSAT (Item 9 of Article 2 Paragraph 1 of Certification Ordinance)



Test items

Technical standards

Class of emissions F7W
G7W, G7X
Assigned frequency or designated frequency Transmitter: 14.0 - 14.4GHz
Receiver: 12.44 - 12.75GHz
Tolerance of frequency (×10-6) 100
Tolerance of occupied bandwidth (Refer to the Radio Equipment Ordinance)
Tolerance of spurious and unwanted emission intensity Unwanted emission in suprious domain:
50µW/4kHz or -60dBc/4kHz
Unwanted emission in out-band domain:
40 log (2F/BN+1)dB
Antenna power Designated value 50W or less
Tolerance +50%, -50%
Limit of secondary radiated emissions 4nW
Characteristics of overall operation Cross-polarization discrimination 27dB or more (within operation angle error)
Off-beam radiation power Elongation (Θ) from the direction of principal radiation Maximum radiation power(Regard 1W as 0dB)
2.5 to 7 degrees Equal to or lower than the value obtained from 33- 25log10Θ(dB)
7 to 9.2 degrees 12 dB or lower
9.2 to 48 degrees Equal to or lower than the value obtained from 36- 25log10Θ(dB)
48 to 180 degrees -6dB or lower
Automatic cessation of radio wave Shall have a function for automatically suspending emission when oscillation circuit of the transmitter is out of order.
Interlock function Shall have a function for enabling the start of transmission only when a control signal from the control earth station via a satellite station is received
Abusolute antenna gain 50dB or less

Notice: Regulations in the Ordinance Regulating Radio Equipment shall have priority over the descriptions in the sheet when any difference is found between them. Further above descriptions do not cover all of the regulations.

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