-The band 1700-2690MHz is also allocated to other services as follows:

1700-1710: METEOROLOGICAL-SATELLITE (space-to-Earth), MOBILE except aeronautical mobile

1710-1980: MOBILE

1980-2010: MOBILE, MOBILE-SATELLITE (Earth-to-space)

2010-2025: MOBILE

2025-2110: MOBILE, Space Research (Earth-to-space) (space-to-space), Space Operation ((space-to-Earth) (space-to-space), Earth Exploration- Satellite (Earth-to-space) (space-to-space)

2110-2120: MOBILE, Space Research (deep space) (space-to-space)

2120-2170: MOBILE

2170-2200: MOBILE, MOBILE-SATELLITE(space-to-Earth)

2200-2290: MOBILE, Space Research (Earth-to-space) (space-to-space), Space Operation (Earth-to-space) (space-to-space), Earth Exploration- Satellite (Earth-to-space) (space-to-space)

2290-2300: MOBILE except aeronautical mobile, Space Research (deep space) (Earth-to-space)

2300-2450: MOBILE, Radiolocation, Amateur

2450-2483.5: MOBILE, Radiolocation

2483.5-2500: MOBILE, MOBILE-SATELLITE(space-to-Earth), RADIOLOCATION, Radiodetermination-Satellite (space-to-Earth)

2500-2520: FIXED-SATELLITE (space-to-Earth), MOBILE-SATELLITE (space-to-Earth), Mobile except aeronautical mobile

2520-2535: FIXED-SATELLITE (space-to-Earth), BROADCASTING-SATELLITE, Mobile except aeronautical mobile

2535-2655: BROADCASTING-SATELLITE, Mobile except aeronautical mobile

2655-2670: FIXED-SATELLITE (Earth-to-space), BROADCASTING-SATELLITE, Earth Exploration- Satellite (passive), Radio astronomy, Space Research (passive), Mobile except aeronautical mobile

2670-2690: FIXED-SATELLITE (Earth-to-space), MOBILE-SATELLITE (Earth-to-space), Earth Exploration-Satellite (passive), Radio astronomy, Space Research (passive), Mobile except aeronautical mo1bile

3.3.3.1 The band 1700-1900MHz

a/

NOTE:

·This radio-frequency channel arrangement complies with Recommendation ITU-RF.283-5, 1997

·Application: point-to-point microwave systems

·Transmission capacity: 34 Mbps, 300 FDM channels

·Minimum transmission distance: 30 km

·The centre frequencies in MHz of individual channels are expressed by the following relationships:

f_n = f₀ – 122.5 + 28nf₀ = 1808 MHz

f¢_n = f₀- 3.5 +28nn = 1, 2, 3

Refraining from assigning frequency: the use of the band 1710-1885 MHz and 1885-2025 MHz for IMT-2000 system has priority over other services. Therefore, importation of new or expanding the existing microwave systems shall be prohibited in these bands. Conversion plans of the existing microwave systems shall comply with provision 2.3.3.2 of Circular No. 04/1999/TT.TCBD.

b/

NOTE:

·This radio-frequency channel arrangement complies with Recommendation ITU-RF.283-5, 1997

·Application: point-to-point microwave systems

·Transmission capacity: 2x8 Mbps, 120 FDM channels

·Minimum transmission distance: 30 km

·The centre frequencies in MHz of individual channels are expressed by the following relationships:

f_n = f₀ – 108.5 + 14nf₀ = 1808 MHz

f¢_n = f₀+ 10.5 +14nn = 1, 2, 3, 4, 5, 6

·Refraining from assigning frequency: the use of the band 1710-1885 MHz and 1885-2025 MHz for IMT-2000 system has priority over other services. Therefore, importation of new or expanding the existing microwave systems shall be prohibited in these bands. Conversion plans of the existing microwave systems shall comply with provision 2.3.3.2 of Circular No. 04/1999/TT.TCBD.

c/

NOTE:

·This radio-frequency channel arrangement complies with Recommendation ITU-RF.283-5, 1997

·Application: point-to-point microwave systems

·Transmission capacity: 8 Mbps

·Minimum transmission distance: 30 km

·The centre frequencies in MHz of individual channels are expressed by the following relationships:

f_n = f₀ – 108.5 + 7nf₀ = 1808 MHz

f¢_n = f₀+ 10.5 +7nn = 1, 2, 3, ...12

·Refraining from assigning frequency: the use of the band 1710-1885 MHz and 1885-2025 MHz for IMT-2000 system has priority over other services. Therefore, importation of new or expanding the existing microwave systems shall be prohibited in these bands. Conversion plans of the existing microwave systems shall comply with provision 2.3.3.2 of Circular No. 04/1999/TT.TCBD.

d/

Table 8: Centre frequencies of Main channels

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