User`s manual

Report No.：T11112830801-RT-1
Page 45 of 48
This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.
TEST RESULTS
Below 1GHz
After we verified, the IEEE 802.11n HT20 mode of channel Low is worse case.
Product Name
Smart 300N Broadband Router
Test By
John Chen
Model
BR485d
Test Date
2011/12/29
Test Mode
IEEE 802.11n HT20
RX / CH Low
Temp. & Humidity
21.9°C, 58%
Frequency
(MHz)
Reading
(dBμV)
Antenna
Polarization
(V/H)
Emission
level
(dBm)
Limit
(dBm)
Margin
(dB)
Correction
Factor
(dB)
111.32 50.23 H -62.95 -57.00 -5.95 -4.03
250.00 36.02 H -76.13 -57.00 -19.13 -3.00
312.44 38.99 H -71.50 -57.00 -14.50 -1.34
468.77 42.28 H -64.23 -57.00 -7.23 2.64
500.00 41.40 H -64.88 -57.00 -7.88 2.87
937.51 33.68 H -64.64 -57.00 -7.64 10.83
49.37 56.99 V -60.80 -57.00 -3.80 -8.64
110.55 51.46 V -58.23 -57.00 -1.23 -0.54
249.98 40.92 V -69.23 -57.00 -12.23 -1.00
371.24 38.94 V -68.81 -57.00 -11.81 1.40
499.99 36.94 V -66.62 -57.00 -9.62 5.59
937.50 31.24 V -64.00 -57.00 -7.00 13.91
Remark:
1. The emission behaviour belongs to narrowband spurious emission
2. According to technical experiences, all spurious emissions at all channels are almost the same
below 1GHz, so that the channel low was chosen as representative for the test.