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2.2.4. Transmitter modulation masks
2.2.4.1 PCS-1900
Frequency Offset BASE STATION TERMINAL
(kHz) (MOBILES)
Measurem. TX Noise Measurem. TX Noise
from To bandwidth Floor at bandwidth Floor at
100 200 (*) (kHz) offset (dBc) (kHz) offset (dBc)
200 250 (*)
250 400 (*) 30 0,5 30 0,5
400 600 (*)
600 1200 (**) 30 -30,0 30 -30,0
1200 1800 (**)
1800 6000 (**) 30 -33,0 30 -33,0
>6000 (**)
30 -60,0 30 -60,0
30 -70,0 30 -60,0
30 -73,0 30 -60,0
100 -75,0 100 -68,0
100 -80,0 100 -76,0
(*) For frequency offset values within this margin the TX Noise Floor should be linearly
interpolated
(**) For frequency offset values within this margin the TX Noise Floor is constant
Inter-American Telecommunication Commission 13