§ 27.1220   Transmission standards.

   The width of a channel in the LBS and UBS is 5.5 MHz, with the
   exception of BRS channels 1 and 2 which are 6.0 MHz. The width of all
   channels in the MBS is 6 MHz. However, the licensee may subchannelize
   its authorized bandwidth, provided that digital modulation is employed
   and the aggregate power does not exceed the authorized power for the
   channel. The licensee may also, jointly with other licensees, transmit
   utilizing bandwidth in excess of its authorized bandwidth, provided
   that digital modulation is employed, all power spectral density
   requirements set forth in this part are met and the out-of-band
   emissions restrictions set forth in § 27.53 are met at the edges of the
   channels employed.

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