Goto Section: 90.637 | 90.647 | Table of Contents

FCC 90.645
Revised as of October 28, 2020
Goto Year:2020 | 2022
  §  90.645   Permissible operations.

   Conventional and trunked radio systems may be used:

   (a) Only for purposes expressly allowed under this part.

   (b) Only persons who are eligible for facilities, either under this
   subpart or in the radio service included under subparts B or C of this
   part.

   (c) Except for licensees classified as CMRS providers under part 20 of
   this chapter, only for the transmission of messages or signals
   permitted in the services is which the participants are eligible.

   (d) For digital or analog transmissions.

   (e) An SMRS licensee or a licensee who has been authorized a channel(s)
   on an exclusive basis, may use the system for the transmission of any
   base/mobile message, page or signal permitted in the service in which
   the participants are eligible.

   (f) Where the channel(s) is assigned to an SMRS licensee or exclusively
   to a single licensee, or where all users of a system agree, more than a
   single emission may be utilized within the authorized bandwidth. In
   such cases, the frequency stability requirements of § 90.213 shall not
   apply, but out-of-band emission limits of § 90.209 shall be met.

   (g) Up to five (5) contiguous 809-816/854-861 band channels as listed
   in § § 90.615, 90.617, and 90.619 may be authorized after justification
   for systems requiring more than the normal single channel bandwidth. If
   necessary, licensees may trade channels amongst themselves in order to
   obtain contiguous frequencies. Notification of such proposed exchanges
   shall be made to the appropriate frequency coordinator(s) and to the
   Commission by filing an application for license modification.

   (h) Up to 10 contiguous 896-901/935-940 MHz band channels as listed in
   § 90.617 may be combined for systems requiring more than the normal
   single channel bandwidth. If necessary, licensees may trade channels
   amongst themselves in order to obtain contiguous frequencies.
   Notification of such proposed exchanges shall be made to the
   appropriate frequency coordinator(s) and to the Commission by filing an
   application for license modification.

   (i) Paging operations may be utilized on multiple licensed facilities
   (community repeaters) only when all licensees of the facility agree to
   such use.

   [ 47 FR 41032 , Sept. 16, 1982, as amended at  48 FR 51929 , Nov. 15, 1983;
    51 FR 37405 , Oct. 22, 1986;  59 FR 59966 , Nov. 21, 1994;  62 FR 18935 ,
   Apr. 17, 1997;  63 FR 68970 , Dec. 14, 1998;  69 FR 67849 , Nov. 22, 2004]

   


Goto Section: 90.637 | 90.647

Goto Year: 2020 | 2022
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