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* j B% `, f y# g客户要求如下,如果哪家工厂可以做,请和我联系 * R* j& v+ [. d; B
> The application that we have in mind is similar to others that we commonly # l4 S% j) l$ @2 H% o
> have. If we were to pay for FCC approval, we would want to use the modem ! H% v& b6 _& T- \
> units in all similar applications under the same approval number. 9 u4 c+ V! [: ~8 x$ h
> Therefore, we would like to be able to configure the units to a specific 9 J. b0 w( \; G5 m" L
> application. For the business that we do, this approach will yield more
" |$ a7 {' Z! K5 V2 X> sales based on the same product and approval. We are interested in the ; D- J3 Y; B h0 ` c! q
> following specifications:
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[3 l5 |& {0 [1 k> - 2 inputs at the Transmitter with three possibilities;
6 @. P/ I. a1 A$ R> 2 analog ( A6 o3 ~9 W C" d4 o5 m
> 2 digital ! d6 d9 l8 P6 N* b' L4 f' _9 l& s
> 1 analog and 1 digital
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2 ?( B& W4 i: P3 r> - 2 outputs at the Receiver with three possibilities to match inputs + s" y4 b, m' ~, H+ g/ I
>
/ i. ^) H; c/ J# z> - Ability to configure/define analog Transmitter input ranges through
) r+ s! H# f! N! c7 _> simple programming method to correspond with full-range analog Receiver
# b D2 s- k9 ?7 @5 W# l2 t> outputs (0 - full voltage). 8 d% P# A5 j X/ k7 x7 S7 a
> / ?0 L4 z: X# L' [) T$ T
> - Ability to configure and set sample rates for the inputs.
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! ~ X8 G+ l4 k* v/ k> - Digital output on Transmitter that turns on during the sampling period. 4 H i3 x5 W/ l9 i7 J- T
>
0 y' b- ]! k; B/ f4 p- F> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 _6 ^3 Q5 o' ]& B> both software control and input hardware control. + ?7 x/ V0 r. n. o7 Y/ L$ j
>
$ x. }& a3 j, H7 e. o9 c. K. |6 o> In order to configure the units, we would need a way to make the
, H9 k+ R3 ~3 Z# }/ j> settings. This would preferably be from a computer terminal so that
: `% l X+ `3 l> configurations can be saved or easily duplicated for production volumes.
! D, t5 n6 l) |9 ^> The units should be small and compact with shielding, and able to mount / ?9 a, q% M" u
> to a printed circuit board with header connector.
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> At this time, we are interested in samples of a pair of modems that ) n0 V4 d' Q4 X! h4 e
> might be similar to this proposed system. We do not expect that you & A% E# @* I, s- ?
> provide all of these specifications at this time. I can describe our " f+ Q/ _+ `" I3 {5 G( }
> immediate application needs in the next email if this project is of 3 l8 f* ?" h8 T$ i
> interest to you. Perhaps you can make the samples by those
9 H# V9 @ w h- x> specifications. This will allow us to test your radios before we move 8 V7 i% x$ B' f. d4 ^9 ]0 O- m( ^
> forward. We are interested in your 900MHz radio to start. " T% C2 \- U; m9 {) s9 T
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