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Publication Number: 317683 Rule Parts: 90, 90.210 Publication Date: 09/14/2007
Keyword: Private Land Mobile Radio Service, Part 90, Emission Mask, FCC Form 731

First Category: Radio Service Rules
Second Category: Part 90 Land Mobile

Question:   Must the emission mask be specified on application for Certification of a Part 90 transmitter for each frequency band and to each channel bandwidth?

Answer:   The general technical requirements for a Land Mobile Radio Service transmitter is set forth in 47 CFR Part 90 subpart I.  The emission mask requirement is specified in Section 90.210.  Section 90.203 has additional requirements for Certification of transmitters operating under Part 90.  The emission masks specified in Section 90.210 should be listed on the application for Certification and on the rant of Equipment Authorization.  Each line entry that satisfies the voice or data efficiency standard under Section 90.203(j) must be specified.  The Single Channel Mode is listed in the comments portion of the Grant to show that one voice channel is being sent.


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