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3 X% N3 e$ N- q1 O' {5 [客户要求如下,如果哪家工厂可以做,请和我联系 " e. |, q- e9 c$ M0 Y- W7 C
> The application that we have in mind is similar to others that we commonly
1 H! l# w& }& f4 d8 v> have. If we were to pay for FCC approval, we would want to use the modem - q! X7 d' A! h5 |7 v" t
> units in all similar applications under the same approval number. ) s, B9 ?" v2 `' f0 e) v( v3 ^
> Therefore, we would like to be able to configure the units to a specific 7 H7 }: ~, F4 v4 m
> application. For the business that we do, this approach will yield more
; t. A2 g1 g) x2 t7 X> sales based on the same product and approval. We are interested in the 4 x/ A5 W) E. E
> following specifications:
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, R9 u) E/ x' k> - 2 inputs at the Transmitter with three possibilities; & K3 d7 q; U; f. }% R
> 2 analog 0 \% Z) J. k3 O& t6 `8 h
> 2 digital 9 u2 o7 _0 m+ L: T1 H
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs 3 }' U) p% Z5 R
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> - Ability to configure/define analog Transmitter input ranges through
! S: b6 @7 G' R5 w' ^% o3 {> simple programming method to correspond with full-range analog Receiver : _& H) i/ w" w& Z4 L( | R/ A
> outputs (0 - full voltage).
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9 f1 I- w! K# i: \) P> - Ability to configure and set sample rates for the inputs. 8 @9 k9 ]( D( p4 B* c
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> - Digital output on Transmitter that turns on during the sampling period. - z& [) L$ R: v; B% y% c
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> - Ability to configure a power saving Sleep Mode in the Transmitter by 9 z& o, r5 p! v" E
> 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 1 J) y" ~5 c2 e c/ A8 [
> settings. This would preferably be from a computer terminal so that
8 S% Z( n2 K5 c5 |; E3 p> configurations can be saved or easily duplicated for production volumes.
4 Z, i3 n, L5 I: p8 ^, Y& j> The units should be small and compact with shielding, and able to mount ' w( b/ ^* ?* N7 @
> to a printed circuit board with header connector.
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# J* M7 _. o/ D" P& [! r> At this time, we are interested in samples of a pair of modems that
+ E! T" S# o$ y4 p7 y> might be similar to this proposed system. We do not expect that you
0 X9 i: I/ d! Y4 V0 s' Q/ r> provide all of these specifications at this time. I can describe our " g- U2 @$ y7 _' ]
> immediate application needs in the next email if this project is of
- C: f) x) E$ y> interest to you. Perhaps you can make the samples by those
' k1 v8 h9 t* O1 X) b# ^> specifications. This will allow us to test your radios before we move
' G. q/ C) {. s$ b: |9 l5 q. A0 x> forward. We are interested in your 900MHz radio to start.
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