Intertek MBU 400 - Monitoring Time

INTERTEK TESTING SERVICES
Test Report Number: HK08060834-1 Page 48 of 72
FCC ID: T7HCT8015
Company: RTX Consumer Products Hong Kong Ltd. Date of Test: June 24-July 7, 2008
Model: MBU 400
4.18 Monitoring Time, FCC Rule 15.323(c)(1):
Immediately prior to initiating transmission, EUT must monitor the combined time and
spectrum windows in which they intend to transmit for a period of at least 10 ms for
EUT designed to use a 10 ms or shorter frame period, or at least 20 ms for EUT
designed to use a 20 ms frame period.
Measurements are made in accordance with ANSI C63.17 sub-clause 7.3.4. Test setup is
shown in section 3.3 Figure 3.3.1. RF signal generators apply uniform CW interference on
all system carriers except two carriers (designated f
1
and f
2
), each at level T
U
+ U
M.
EUT
can only transmit on these two carriers.
Test Descriptions and Results:
Test Descriptions EUT transmits on Results
1
Apply interference on f
1
at level T
U
+ U
M
, and no
interference on f
2.
Initiate transmission. Verify transmission on f
2.
Then, terminate transmission.
f
2
Pass
2
Apply interference on f
2
at level T
U
+ U
M
, and
remove interference from f
1
immediately.
Also immediately initiate transmission but is at
least 20 ms after interference on f
2
is applied.
Verify transmission on f
1.
f
1
Pass