Quectel EM160R-GL Hardware Design page 80

responsible for compliance to any other FCC rules that apply to the host not covered
by the modular transmitter grant of certification. If the grantee markets their product
as being Part 15 Subpart B compliant (when it also contains unintentional-radiator
digital circuity), then the grantee shall provide a notice stating that the final host
product still requires Part 15 Subpart B compliance testing with the modular
transmitter installed.