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Technical standards |
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| Class of emissions | F2 ABCDNX F3E |
F2 ABCDNX F3E |
F2 ABCDNX F3E |
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| Assigned frequency or designated frequency |
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| Number of channels and channel separation |
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| Tolerance of frequency (×10-6) |
Over 1W: 10 |
Over 1W: 10 |
Over 1W: 3 |
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| Tolerance of occupied bandwidth | 16kHz | 16kHz | 8.5kHz (On-board communication equipment: 16 kHz) | |
| Tolerance of spurious and unwanted emission intensity | 1W or less | Spurious : 100µW Unwanted : 50µW |
Spurious : 100µW Unwanted : 50µW |
Spurious : 25µW Unwanted : 25µW |
| Over 1W | Spurious : 1mW and -80dBc Unwanted : -60dBc |
Spurious : 1mW and -80dBc Unwanted : -60dBc |
Spurious : 2.5µW Unwanted : 2.5µW |
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| Antenna power | Designated value | 50W or less | 50W or less | 50W or less |
| Tolerance | +20%, -50% | +20%, -50% | +20%, -50% | |
| Maximum frequency deviation or shift |
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±2.5kHz (On-board communication equipment : ±5kHz) | |
| Linit of secondary radiated emissions |
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4nW | |
| Pre-emphasis and de-emphasis (*) |
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6dB/oct | 6dB/oct | |
| Overall distortion and noise of transmitter (*) |
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-20dB or less | -20dB or less | |
| Other equipment or function (*) | Selective calling device | Automatic identification device Selective calling device |
Selective calling device | |
| Note | (*): It is recommended to refer to the Radio Equipment Regulations for details because these items do not apply to all kinds of equipment. | |||
| 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. |