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, F: D/ X3 k, O& d7 D客户要求如下,如果哪家工厂可以做,请和我联系
& [/ j; ~" L. e$ i: t5 B" H> The application that we have in mind is similar to others that we commonly 2 m$ t/ F% A w& `; ~! B
> have. If we were to pay for FCC approval, we would want to use the modem
4 o/ ?7 e: Z! ]( j& x. k> units in all similar applications under the same approval number. 3 n: s. l5 P2 N$ v8 M+ k
> Therefore, we would like to be able to configure the units to a specific
, g; T* e" t7 e+ ?% f- z2 t> application. For the business that we do, this approach will yield more $ J; k# m& L* @
> sales based on the same product and approval. We are interested in the 7 g# Z1 O# l9 m( V' t
> following specifications:
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* m# n- R: X/ [6 r. Q ]> - 2 inputs at the Transmitter with three possibilities; # M5 t' D5 }. U; Y0 r |
> 2 analog 6 \" X0 r) ~' J. _4 l& ]. f8 \
> 2 digital + A* T. N( _" Y) V' j, ]' g
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs - s2 Y1 r+ n7 V/ D) `4 J6 _
>
1 y8 Y+ L; x1 p9 F9 z> - Ability to configure/define analog Transmitter input ranges through
1 N0 |6 D! Z8 X4 ^) j: R$ a* _. }> simple programming method to correspond with full-range analog Receiver B# s6 u0 o- P @" x" a# {% k
> outputs (0 - full voltage). 0 e$ {/ z- {* E
> 6 a( i* K. S2 F4 R
> - Ability to configure and set sample rates for the inputs. 1 U: Y% T" z+ m6 U d- `$ U0 S1 L* d
>
, G! P2 f, h* R2 |4 b! q9 ~( }9 N> - Digital output on Transmitter that turns on during the sampling period. 2 y! K$ F) O: n# @
>
; {3 g" @0 R( C/ T> - Ability to configure a power saving Sleep Mode in the Transmitter by
^6 ?' x. o" E1 B" y9 V: U5 a> 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
9 @# x, I! U. [0 ` E/ B> settings. This would preferably be from a computer terminal so that
+ p1 R( [9 e8 v% |> configurations can be saved or easily duplicated for production volumes. + H- E8 M" E/ f; z# h* U) } e
> The units should be small and compact with shielding, and able to mount
6 _! _8 |& l6 P/ B& c( c> to a printed circuit board with header connector. ! S1 T b3 K. E
>
( Y8 c3 B! O/ I: Y. M+ s> At this time, we are interested in samples of a pair of modems that
2 w: t7 P& S' R1 C s> might be similar to this proposed system. We do not expect that you
! t! e+ a# k* d8 |$ y: q> provide all of these specifications at this time. I can describe our
9 ?8 v$ y8 D2 A |> immediate application needs in the next email if this project is of
( s5 m. w& b6 D5 r> interest to you. Perhaps you can make the samples by those : Y7 y5 I3 } R4 {$ R
> specifications. This will allow us to test your radios before we move
2 i5 \7 a' ]7 h! h- p0 r> forward. We are interested in your 900MHz radio to start. 1 W# h9 E* F1 F, ], Y* a* |- u6 Y# c
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