Parameter
Current Limits
Spread-Spectrum and U-NII
Proposed Limits
Spread-Spectrum
Digital Modulation
(a) Power output
(a) 902–928 MHz
(a) 2.4–2.4835 GHz
(a) 5.725–5.825 GHz (15.407 U-NII)
(a)
(a) 5.725–5.850 GHz (15.247)
0
Up to 1 W
Up to 1 W
17 dBm + 10 log (26 dB BW)
0or 1 W, whichever is less
Up to 1 W
0
Up to 1 W
Up to 1 W
Up to 1 W as per 15.247
(a)
Up to 1 W
(b) Modulation types
(b) 902–928 MHz
(b) 2.4–2.4835 GHz
(b) 5.725–5.825 GHz (15.407 U-NII)
(b) 5.725–5.850 GHz (15.247)
0
DS and FS only
DS and FS only
Any digital
DS and FS only
0
Any digital
Any digital
Any digital
Any digital
(c) Power spectral sensity:
(c) 902–928 MHz
(c) 2.4–2.4835 GHz
(c) 5.725–5.825 GHz (15.407 U-NII)
(c)
(c) 5.725–5.850 GHz (15.247)
(c)
8 dBm/3 kHz (= 33 dBm/MHz)
8 dBm/3 kHz (= 33 dBm/MHz)
17 dBm/MHz + 6 dBi max
(c)
8 dBm/3 kHz (= 33 dBm/MHz)
(c)
8 dBm/3 kHz (= 33 dBm/MHz)
8 dBm/3 kHz (= 33 dBm/MHz)
8 dBm/3 kHz (= 33 dBm/MHz)
0(for operation under 15.247)
8 dBm/3 kHz (= 33 dBm/MHz)
(d) Out-of-band/undesired emissions
(d) 902–928 MHz
(d) 2.4–2.4835 GHz
(d) 5.725–5.825 GHz (15.407 U-NII)
(d)
(d)
(d) 5.725–5.850 GHz (15.247)
(d)
–20 dBc (15.205 for restricted bands)
–20 dBc (15.205 for restricted bands)
–17 to –27 dBm EIRP/MHz band-edge;
15.205 for restricted bands;
15.209 below 1 GHz
–20 dBc (15.205 for restricted bands)
(d)
–20 dBc (15.205 for restricted bands)
–20 dBc (15.205 for restricted bands)
–20 dBc (15.205 for restricted bands)
for operation under 15.247)
(d)
–20 dBc (15.205 for restricted bands)
(e) Point-to-multipoint EIRP limits
(e) 902–928 MHz
(e) 2.4–2.4835 GHz
(e) 5.725–5.825 GHz (15.407 U–NII)
(e) 5.725–5.850 GHz (15.247)
(e)
36 dBm EIRP max
36 dBm EIRP max
Max power from (a) + 6 dBi
36 dBm EIRP
(e)
36 dBm EIRP
36 dBm EIRP
36 dBm EIRP for 15.247
36 dBm EIRP
(f) Point-to-point EIRP limits
(f) 902–928 MHz
(f) 92.4–2.4835 GHz
(f) 95.725–5.825 GHz (15.407 U–NII)
(f) 95.725–5.850 GHz (15.247)
(f) 9
36 dBm EIRP max
Per 15.247(b)
Max power from (a) + 23 dBi
Unlimited
(f) 9
36 dBm EIRP max
Per 15.247(b)
Unlimited for 15.247
Unlimited
Table I. Comparison of current and proposed limits for spread-spectrum and digital transmission systems.