Federal Register - January 12, 2021
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Source: Federal Register
2294
Federal Register / Vol. 86, No. 7 / Tuesday, January 12, 2021 / Rules and Regulations TABLE 3 TO PARAGRAPH a2v Fixed white space devices
Antenna height above average terrain of unlicensed devices meters
Required separation in kilometers from co-channel digital or analog TV
full service or low power protected contour 1
16 dBm 40 mW
Less than 3
310
1030
3050
5075
75100
100150
150200
200250
250300
300350
350400
400450
450500
500550
20 dBm 100 mW
1.3
2.4
4.2
5.4
6.6
7.7
9.4
10.9
12.1
13.9
15.3
16.6
17.6
18.3
18.9
24 dBm 250 mW
1.7
3.1
5.1
6.5
7.9
9.2
11.1
12.7
14.3
16.4
17.9
19.3
20.4
21.4
21.8
2.1
3.8
6.0
7.7
9.4
10.9
13.2
15.8
18.2
20.0
21.7
23.2
24.4
25.5
26.3
28 dBm 625 mW
32 dBm 1,600 mW
2.7
4.8
7.1
9.2
11.1
12.8
16.5
19.5
22.0
23.9
25.7
27.3
28.7
30.1
31.0
36 dBm 4 W
3.3
6.1
8.9
11.5
13.9
17.2
21.4
24.7
27.3
29.4
31.4
33.3
35.1
36.7
37.9
4.0
7.3
11.1
14.3
18.0
21.1
25.3
28.5
31.2
35.4
37.6
39.7
41.9
43.7
45.3
40 dBm 10 W
4.5
8.5
13.9
19.1
23.8
27.2
32.3
36.4
39.5
42.1
44.5
46.9
49.4
51.4
53.3
42 dBm 16 W
5.0
9.4
15.3
20.9
26.2
30.1
35.5
39.5
42.5
45.9
48.4
51.0
53.8
55.9
57.5
1 When communicating with Mode I personal/portable white space devices, the required separation distances must be increased beyond the specified distances by 1.3 kilometers if the Mode I device operates at power levels no more than 40 mW EIRP or 1.7 kilometers if the Mode I device operates at power levels above 40 mW EIRP.
TABLE 4 TO PARAGRAPH a2v Personal/portable white space devices Required separation in kilometers from adjacent channel digital or analog TV full service or low power protected contour 20 dBm 100 mW
Communicating with Mode II or Fixed device
Communicating with Mode I device
0.1
0.2
TABLE 5 TO PARAGRAPH a2v Fixed white space devices Antenna height above average terrain of unlicensed devices meters
Required separation in kilometers from adjacent channel digital or analog TV
full service or low power protected contour 1
20 dBm 100 mW
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Less than 3
310
1030
3050
5075
75100
100150
150200
200250
250300
300350
350400
400450
450500
500550
24 dBm 250 mW
0.1
0.1
0.2
0.3
0.3
0.4
0.5
0.5
0.6
0.7
0.7
0.8
0.8
0.8
0.9
28 dBm 625 mW
0.1
0.2
0.3
0.3
0.4
0.5
0.6
0.7
0.8
0.8
0.9
1.0
1.0
1.1
1.2
32 dBm 1,600 mW
0.1
0.2
0.3
0.4
0.5
0.6
0.8
0.9
1.0
1.0
1.1
1.2
1.3
1.4
1.5
36 dBm 4 W
0.1
0.2
0.4
0.5
0.7
0.8
0.9
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
0.2
0.3
0.5
0.7
0.8
1.0
1.2
1.4
1.5
1.6
1.8
1.9
2.1
2.1
2.2
40 dBm 10 W
0.2
0.4
0.6
0.8
0.9
1.1
1.3
1.5
1.7
2.1
2.2
2.4
2.6
2.7
2.8
42 dBm 16 W
0.3
0.5
0.7
1.0
1.0
1.3
1.5
1.7
1.9
2.3
2.4
2.7
2.9
2.9
3.0
1 When communicating with a Mode I personal/portable white space device that operates at power levels above 40 mW EIRP, the required separation distances must be increased beyond the specified distances by 0.1 kilometers.
3 Fixed white space device antenna height. Fixed white space devices must comply with the requirements of 15.709g.
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ii White space devices operating with more than 4 watts EIRP and up to
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10 watts EIRP may not operate within 10.2 kilometers from the receive site for co-channel operation and 2.5 kilometers
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