Special about Software Defined Radios (SDR)
Tech.
Track
Issued by: Teleconformity
Number: TCMY-007
Publication date: 2010-11-02
Author: CEO
Software Defined Radio's, what are they? What is the purpose? How does the FCC approach this?
The FCC rules require that any radio, in which the software is designed or expected to be
modified by a party other than the manufacturer and would affect the operating parameters of
frequency range, modulation type, maximum output power or other radio frequency parameters
outside the range under which the transmitter has been approved in accordance with the
Commission rules, must comply with the requirements in section 2.944 (a) and must be certified as
a software defined radio. In many other cases where such software is under complete control of a
manufacturer, the rules allow the manufacturer to choose if they want to have the device approved
as an SDR.
An SDR grant has the advantages of allowing a manufacture to (1) market the same transmitter
with the intrinsic capability of operating in other regulatory domains and/or (2) permit third parties
including their customers, professional installers to add software to modify its operating
parameters (rule parts, additional frequency bands, new modulation types, change bandwidth).
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