Integration Guidelines Test Environment
10-3
The radiated emission listing shows that the CoBox-Mini UUT passed FCC class-B limits
as well as CISPR22 class-B. Highest emission outputs were at 60 Mhz and 80 Mhz, leading
to a margin of 3dB at 60 Mhz to the class B limit.
285.79 27.37 47.00 -19.63
297.107 32.75 47.00 -14.25
320.02 25.45 47.00 -21.55
340.026 27.49 47.00 -19.51
360.025 31.54 47.00 -15.46
380.025 34.01 47.00 -12.99
400.024 30.62 47.00 -16.38
420.03 30.64 47.00 -16.36
440.02 27.20 47.00 -19.80
480.029 27.28 47.00 -19.72
520.035 27.57 47.00 -19.43
Table 10-2: CoBox-Mini Results
Frequency
MHz
Field Strength
Level at 3 m
dBµV/m
Limit FCC
Class B
dBµV/m
DELTA
dB
Remarks
35.30 29.96 40.00 -10.04
37.66 29.73 40.00 -10.27
40.01 34.24 40.00 -5.76
60.01 36.95 40.00 -3.05
80.02 35.31 40.00 -4.69
100.02 34.82 43.50 -8.68
120.01 30.40 43.50 -13.10
Table 10-1: CoBox-Micro Results, cont.
Frequency
MHz
Field Strength
EN55022 Level at
10m
dBµV/m
Limit Class A
dBµV/m
DELTA
dB
Remarks