RSS-127 — Air-Ground Equipment Operating in the Bands 849‑851 MHz and 894‑896 MHz
Spectrum Management and Telecommunications
Radio Standards Specification
RSS-127, Issue 1, Air-Ground Equipment Operating in the Bands 849-851 MHz and 894-896 MHz, dated August 2009, will be in force as of the publication date of Notice SMSE-009-09 in Canada Gazette, Part I. Upon publication, the public has 120 days to submit comments. Comments will be taken into account in the preparation of the next version of the document.
Issued under the authority of the Minister of Industry
Engineering, Planning and Standards Branch
This Radio Standards Specification (RSS) sets out standards for the certification of transmitters and receivers in the bands 849-851 MHz and 894-896 MHz for air-ground communications.
Equipment operating in these bands is classified as Category I. A technical acceptance certificate (TAC) issued by the Certification and Engineering Bureau of Industry Canada or a certificate issued by a Certification Body (CB) is required.
The equipment covered by this standard is subject to licensing pursuant to subsection 4(1) of the Radiocommunication Act.
In addition to the related documents specified in RSS-Gen, General Requirements and Information for the Certification of Radiocommunication Equipment, the following departmental document should be consulted:
SRSP-515, Technical Requirements for Air-Ground Services in the Bands 849-851 MHz and 894-896 MHz.
All spectrum management and telecommunications publications are available on Industry Canada’s website at http://www.ic.gc.ca/spectrum under Official Publications.
RSS-127 shall be used in conjunction with RSS-Gen for general specifications and information relevant to the equipment for which this standard applies.
In the 1 MHz bands immediately outside of the frequency band of operation, a resolution bandwidth of at least 1% of the emission bandwidth shall be employed. Beyond the 1 MHz bands immediately outside of the frequency band, the transmitter unwanted emissions shall be measured with a resolution bandwidth of 100 kHz or greater. A narrower resolution bandwidth is allowed in all cases to improve measurement accuracy provided that the measured power is integrated over the full required measurement bandwidth (i.e. 100 kHz or 1% of emission bandwidth, as specified).
The emission limits shall be measured with the carrier frequency set at both the highest settable frequency and the lowest settable frequency permitted by the design of the equipment.
The frequency band plan can be found in SRSP-515.
Equipment certified under this standard may employ any type of modulation. The type of modulation used shall be reported.
The applicant shall ensure frequency stability by demonstrating that the occupied bandwidth is maintained within the frequency band of operation when tested at the temperature and supply voltage variations specified in RSS-Gen.
The effective radiated power (ERP) of ground and airborne equipment shall not exceed the limits established in SRSP-515.
The power of any emission outside the equipment’s operating frequency band shall be attenuated below the transmitting power P (in watts) by at least 43 + 10log10(P) (dB).
Receiver spurious emissions shall comply with the limits specified in RSS-Gen.
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