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& \# h# c) |. B4 ~客户要求如下,如果哪家工厂可以做,请和我联系 ; b/ Z3 j8 J" r2 ~5 H! H2 ~* q: `" V
> The application that we have in mind is similar to others that we commonly
' A3 T/ h+ `% d$ q3 W> have. If we were to pay for FCC approval, we would want to use the modem
0 e( R7 W' E7 o1 K6 v e5 n0 ~4 ~> units in all similar applications under the same approval number.
1 k0 p* h1 z7 z! v> Therefore, we would like to be able to configure the units to a specific
! x& `0 i( Y. H$ f6 F' ?4 a/ y K> application. For the business that we do, this approach will yield more
% f$ ]- K4 `8 Z. h> sales based on the same product and approval. We are interested in the
3 P# [; m9 f/ N& n+ O8 v4 r4 |> following specifications:
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+ V9 W3 c- N) `" m! _2 e; |( E7 y> - 2 inputs at the Transmitter with three possibilities; ' R. x* i4 z- L% e
> 2 analog
8 a+ i w6 u7 B- e6 Y1 F1 i$ ]4 j> 2 digital / o) L( ?) Q& x' l4 r4 L
> 1 analog and 1 digital
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0 W# |; \1 X- t' H. i> - 2 outputs at the Receiver with three possibilities to match inputs + N$ Z! O6 e" p9 d
>
" A+ }4 E# t( c6 M> - Ability to configure/define analog Transmitter input ranges through 4 }1 w- R' E, u
> simple programming method to correspond with full-range analog Receiver
& S' l8 ^& W1 d: d5 h' v> outputs (0 - full voltage). * u* U5 C( H6 e8 R
>
8 ] t& ^* u" f5 p. o% n2 A> - Ability to configure and set sample rates for the inputs.
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) f$ u8 {) E8 X& c# H> - Digital output on Transmitter that turns on during the sampling period. : Q) a9 F$ |% z' l2 l; E) m! \
> " ?! {: D! t( Q2 E7 X3 T6 g4 j
> - Ability to configure a power saving Sleep Mode in the Transmitter by
* h8 L9 w; I# x& Q$ z' v$ z0 B1 x> both software control and input hardware control.
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7 s. A# W% v& i+ ]8 J> In order to configure the units, we would need a way to make the , u& @+ m6 ]( Q) d" `( a: P: N/ w
> settings. This would preferably be from a computer terminal so that % {2 N5 b9 B! X, }
> configurations can be saved or easily duplicated for production volumes. * ~/ M! Y0 N8 j, |/ ~$ L8 [
> The units should be small and compact with shielding, and able to mount
; N8 B4 z4 {/ i7 K% F4 Z2 {1 M- [1 c> 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 8 H o8 f [4 p7 v, l6 p% ^3 [
> might be similar to this proposed system. We do not expect that you
. E; L' Q) ` t/ K9 N/ k> provide all of these specifications at this time. I can describe our / O7 r# I8 |% H: |) h L4 h2 U
> immediate application needs in the next email if this project is of . ]* W- T: u6 R7 l' P
> interest to you. Perhaps you can make the samples by those
l; M! \+ E, h D+ j> specifications. This will allow us to test your radios before we move
* ^8 i2 Q: I9 V1 k5 d> forward. We are interested in your 900MHz radio to start.
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