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Technical standards |
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| Used for telemeter, telecontrol or data transmission | Used for telemeter, telecontrol or data transmission | |||
| Class of emissions | F1 DF, F2 DF, F7 DF G1 DF, G2 DF, G7 DF D1 DF, D2 DF, D7 DF |
F1 DF, F2 DF, F7 DF G1 DF, G2 DF, G7 DF D1 DF, D2 DF, D7 DF |
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| Assigned frequency or designated frequency | (8) 1216.0125 - 1216.9875MHz (9) 1252.0125 - 1252.9875MHz C-ch : 1216.0125, 1216.5125, 1252.0125, 1252.5125MHz |
(10) 1216.000 - 1217.000MHz (11) 1252.000 - 1253.000MHz C-ch: 1216.000, 1252.000MHz |
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| Number of channels and channel separation | S-ch: (8) 38, (9) 38 25kHz |
S-ch: (10) 20, (11) 2050kHz |
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| Tolerance of frequency (×10-6) | 3 | 4 | ||
| Tolerance of occupied bandwidth | 16kHz | 32kHz | ||
| Tolerance of spurious and unwanted emission intensity | 2.5µW | 2.5µW | ||
| Antenna power | Designated value | 0.01W or less | 0.01W or less | |
| Tolerance | +20%, -50% | +20%, -50% | ||
| Tolerance of adjacent channel leakage power | -40dB (25 kHz separation, 16kHz bandwidth) | -40dB (50kHz separation, 32 kHz bandwidth) | ||
| Limit of secondary radiated emissions | 4nW | 4nW | ||
| Other equipment or function | Carrier sensing Transmission time restriction(excluding 1216.0375 - 1216.5MHz and 1252.0375 - 1252.5MHz) Interference prevention function |
Carrier sensing Transmission time restriction(excluding 1216.05 - 1216.5MHz and 1252.05 - 1252.5MHz) Interference prevention function |
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| Note | ---- | ---- | ||
| 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. |
