Earth station for portable mobile satellite communication (non-geostationary)
(Item 28-2 of Article 2 Paragraph 1 of Certification Ordinance)




Items

Technical standards

Class of emissions G1 ABCDEFX
Assigned frequency or designated frequency 1621.35 - 1626.5MHz
Number of channels or channel separation 104
41.667kHz
Tolerance of frequency (×10-6) 30
Tolerance of occupied bandwidth 31.5kHz
Tolerance of spurious and unwanted emission intensity 50µW / 4kHz and -60dBc / 4kHz
Antenna power Designated value ----
Tolerance +50%, -50%
Leakage power at no-carrier transmission Frequency (MHz) EIRP (dBW) Bandwidth (kHz)
0.1 - 30 -87 10
30 - 1000 -87 100
1000 - 12750 -77 100
Transmission rate of modulation signal 50kbps or less
Limit of secondary radiated emissions Same values as those of "Leakage power at no-carrier transmission
Overall operation test Calling and response
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.

Copyright 2006 TELECOM ENGINEERING CENTER.