Intertek MBU 400 - Least Interfered Channel (LIC) Selection

INTERTEK TESTING SERVICES
Test Report Number: HK08060834-1 Page 45 of 72
FCC ID: T7HCT8015
Company: RTX Consumer Products Hong Kong Ltd. Date of Test: June 24-July 7, 2008
Model: MBU 400
4.17.2 Least Interfered Channel, LIC, FCC Rule 15.323(c)(5):
[ × ]
Not implemented – EUT met lower monitoring threshold requirements. Please
refer to the section 4.17.1 for more details
[ × ]
If access to spectrum is not available as determined by section 4.17.1 and a
minimum of 40 duplex system access channels are defined for the EUT, the
time and spectrum windows with the lowest power level below a monitoring
threshold of 50 dB above the thermal noise power determined for the
emission bandwidth may be accessed
Number of duplex channels per frequency channel = 12
Number of frequency channel = 5
Total Duplex Channels = 60
Hence, the time and spectrum windows below upper monitoring threshold may be
accessed.
4.17.2.1 Upper Monitoring Threshold, FCC Rule 15.323(c)(5):
Measurements are made in accordance with ANSI C63.17 sub-clause 7.3.2(b). Test
setup is shown in section 3.3 Figure 3.3.1. The test is performed on the carrier closest to
center of the band. RF signal generators apply uniform CW interference on all EUT
carriers each at level T
U
+ U
M
+ 10 dB. Then, the interference level is reduced uniformly
on all carriers until the EUT can transmit. The interference level shall be lower than or
equal to the threshold limit (T
U
+ U
M
).
Test Results:
Measured Maximum Interference
Level (dBm)
Upper Monitoring Threshold
Limit (dBm) (T
U
+ U
M
)
Results
-70.4 -55.3 Pass