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客户要求如下,如果哪家工厂可以做,请和我联系
$ @9 W1 ^1 Z( q. R# N* _> The application that we have in mind is similar to others that we commonly
% m4 w8 K" T: m; Z> have. If we were to pay for FCC approval, we would want to use the modem 1 x% a+ n0 ]3 I
> units in all similar applications under the same approval number.
: T& M' w' E) J1 d$ E+ Z> Therefore, we would like to be able to configure the units to a specific # r0 v' x& q% G
> application. For the business that we do, this approach will yield more
' z3 L+ n! I2 j1 ]> sales based on the same product and approval. We are interested in the 3 g: @, k# y, F
> following specifications: - |) ?; H8 f: ?- |5 p* \# a
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> - 2 inputs at the Transmitter with three possibilities;
& J n% A" S/ Z+ L/ @> 2 analog
9 } l# Q. w( u+ \# D1 g" g3 \& f, N> 2 digital
) h4 s, W: p3 d5 _: T> 1 analog and 1 digital ; C2 p4 x& c7 w- a
>
# s2 d+ {$ `1 J> - 2 outputs at the Receiver with three possibilities to match inputs - r& \7 D# @ c7 m+ \3 }: D8 T D& ?
> " ?6 ?7 f; S }" F
> - Ability to configure/define analog Transmitter input ranges through * y, D/ W, f. M h. @
> simple programming method to correspond with full-range analog Receiver
: P- L/ M( A3 Q5 e" ~4 P4 x @> outputs (0 - full voltage). ; [) S( n' u) \1 p: E
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> - Ability to configure and set sample rates for the inputs.
& l& U7 J9 a& ]( c f% [; S+ r3 O$ z> 6 x$ V U9 F6 q( |1 X I# q' a' `
> - Digital output on Transmitter that turns on during the sampling period. % f/ d6 O+ F& k& _
>
. l! |2 K, U# }5 \> - Ability to configure a power saving Sleep Mode in the Transmitter by
- U* T$ V+ Q2 L" h. o$ [- C7 }; Z> both software control and input hardware control. $ d1 z. S" ]7 R' H
>
/ ]5 N$ S0 r9 t( Q& |* |> In order to configure the units, we would need a way to make the " e9 G$ k& @5 n& i- K
> settings. This would preferably be from a computer terminal so that
; G% L9 E9 [3 u> configurations can be saved or easily duplicated for production volumes. ; O' `" H v/ ^9 B) s
> The units should be small and compact with shielding, and able to mount
2 e3 _& t# ~! l$ t$ }. r3 l& j> to a printed circuit board with header connector. 3 M" `( `( T% v
>
+ q7 w7 Z+ V& F6 c6 e" ?> At this time, we are interested in samples of a pair of modems that
9 A& |6 _" w! h. z- a' ]> might be similar to this proposed system. We do not expect that you
9 p$ o( V7 ]6 [/ G0 E5 g> provide all of these specifications at this time. I can describe our . L; t7 u* Y& B: N" }( {& u
> immediate application needs in the next email if this project is of : N9 \4 m7 F" v' ~$ \* R0 u
> interest to you. Perhaps you can make the samples by those
6 Y3 R$ |1 h! Y* d8 j+ H0 r" c1 }> specifications. This will allow us to test your radios before we move
$ x% H4 I* ?1 A9 J, s9 x5 B6 k> forward. We are interested in your 900MHz radio to start.
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