Regulation 13 Further requirements for all dynamic spectrum access devices relating to out of band emissions

(1)

In addition to the requirements set out at regulations 5(b), 7(b) and 9(a) as the case may be, a dynamic spectrum access device must operate such that outside of the device’s nominal channel, power spectral density is suppressed relative to the level within the nominal channel in accordance with the following limits which apply at frequencies both above and below the nominal centre frequency—

(a)

-20 dB at 1 MHz from the outside edge of the nominal channel;

(b)

-28 dB at a frequency separation from the nominal centre frequency equal to the nominal bandwidth;

(c)

-40 dB at frequency separations from the nominal centre frequency equal to or greater than 1.5 times, and less than 9 times, the nominal bandwidth;

(d)

-42 dB at frequency separations from the nominal centre frequency equal to or greater than 9 times, and less than 10.8 times, the nominal bandwidth; and

(e)

-47 dB at frequency separations from the nominal centre frequency equal to or greater than 10.8 times the nominal bandwidth.

(2)

At frequencies between the nearest edge of the nominal channel and the frequency referred to in paragraph 13(1)(a), the limits must be linearly interpolated between 0 dB and -20 dB.

(3)

At frequencies between those referred to in paragraphs 13(1)(a) and 13(1)(b), the limits must be linearly interpolated between -20 dB and -28 dB.

(4)

At frequencies between those referred to in paragraphs 13(1)(b) and 13(1)(c), the limits must be linearly interpolated between -28 dB and -40 dB.