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7 C4 r& A! ?& x6 e0 f7 f- R客户要求如下,如果哪家工厂可以做,请和我联系 3 b$ Y& x( t9 v. s
> The application that we have in mind is similar to others that we commonly
1 `0 W$ d& w8 E( w+ |7 z% L> have. If we were to pay for FCC approval, we would want to use the modem 1 |- n5 z/ u* z) U' T
> units in all similar applications under the same approval number.
5 H2 e8 h: B+ W; Y/ Z: E1 ^> Therefore, we would like to be able to configure the units to a specific
0 j2 _* h0 Y3 P* E1 W2 f" N0 A> application. For the business that we do, this approach will yield more
1 M" F2 w& j' \; x, X> sales based on the same product and approval. We are interested in the
+ p( l8 m/ v+ V; m" R> following specifications:
; P8 w4 H% v$ a; t2 A! n' _> % O- F8 m+ k# s( V+ t
> - 2 inputs at the Transmitter with three possibilities; ) W6 w$ G F2 b Q$ z3 V: W
> 2 analog
" N \' j+ e& e) a3 R# |; z; Z> 2 digital
; M4 t# \/ e4 e! @, @" U> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs 4 ]( O: | u% e5 |: N
>
4 I3 Y. {' i; m* y& {; f> - Ability to configure/define analog Transmitter input ranges through ^$ w: m: o" ^4 t, x
> simple programming method to correspond with full-range analog Receiver
, A. b% i& c1 R6 Y> outputs (0 - full voltage). 1 F" X/ v. k& n
>
& H( g0 J( A% z6 g> - Ability to configure and set sample rates for the inputs. 0 f$ W. k: a& }4 L9 F4 y
> 5 j; {4 ?: `5 X5 e* l1 R T
> - Digital output on Transmitter that turns on during the sampling period.
% ?3 U% C5 Q% R/ ]1 ^+ f- `>
1 V, Z3 m7 K/ n3 Y) A8 D$ h @> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ r( ^) g6 V \6 w$ _; `> both software control and input hardware control.
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> In order to configure the units, we would need a way to make the $ G, v( {$ `- p' s/ N% u
> settings. This would preferably be from a computer terminal so that
/ F: P2 @9 d' x$ V> configurations can be saved or easily duplicated for production volumes. 5 d' j7 G( _) F8 ?
> The units should be small and compact with shielding, and able to mount . F! l/ p3 i' o0 I
> to a printed circuit board with header connector. 2 e2 Z3 `- M& f- P. G+ g
>
/ D' Y& T: ^( A" H; V O> At this time, we are interested in samples of a pair of modems that 2 s9 b+ l: x6 N/ H" i
> might be similar to this proposed system. We do not expect that you
% e/ ?& ~9 h5 Z6 _8 \& X! \; Y* m> provide all of these specifications at this time. I can describe our
9 ~$ ^; Z2 O+ w1 @> immediate application needs in the next email if this project is of 7 ~5 w# v$ k0 W1 s
> interest to you. Perhaps you can make the samples by those & Q% g" i% v, P, N# H
> specifications. This will allow us to test your radios before we move
6 A% Z; y4 `$ R" b8 m5 b> forward. We are interested in your 900MHz radio to start. % m1 [; a- P& I% X
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