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FCC的定义在Part15.3,如下。当然这也是只是针对Part15覆盖的产品的。其他部分的看相应部分的definition。/ h$ D( U6 {% Y6 q+ Y) R
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' L) U7 x" M& X: a (h) Class A digital device. A digital device that is marketed for - t! ?& B1 }/ t
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use in a commercial, industrial or business environment, exclusive of a " c" X5 @6 h4 V9 Z- m0 u0 X
4 D0 w8 }4 x6 T8 B3 T6 Ddevice which is marketed for use by the general public or is intended to 3 u) ~: e+ [8 z6 S, o
# y, S @0 ` u9 T5 v3 ^8 \be used in the home.
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(i) Class B digital device. A digital device that is marketed for ! C- n# {$ G4 B
7 M$ f, c/ L, n; D) }use in a residential environment notwithstanding use in commercial, 9 G, Q6 x! G9 n9 ^* X0 e. D5 @8 C
! }/ ]1 N5 o4 a+ V! }business and industrial environments. Examples of such devices include, b9 B2 x( a( p: ]
$ A: I! R {, a( n. o( ]but are not limited to, personal computers, calculators, and similar 4 l! w! ]- G: p! e
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electronic devices that are marketed for use by the general public.
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Note: The responsible party may also qualify a device intended to be
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marketed in a commercial, business or industrial environment as a Class B device, and & \5 F9 q q1 F
" E+ _4 Q1 v& N/ f/ F6 [in fact is encouraged to do so, provided the device complies with the + x. F+ y+ _/ I- b* U' Q
+ p v# q; O8 jtechnical specifications for a Class B digital device. In the event that f8 j( U1 B! K$ |5 V& |
2 j/ m0 b: B6 {8 z: Ma particular type of device has been found to repeatedly cause harmful
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interference to radio communications, the Commission may classify such a
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digital device as a Class B digital device, regardless of its intended ! v7 ?" Q0 k9 }: \
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