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ISM transmitter with analogue IF input?

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maniana

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I have a signal, which is about 200kHz carrier AM modulated. I need to send it 500m and recover to the same form (200kHz AM). Are there on the market some radio modules that would accept 200KHz analogue input? I am thinking of similar radio modules that are used in remote control ISM bands i.e. 432MHz. All modules I saw have a TTL input and output for the data. What I am looking for is a module that would take 200kHz AM modulated, upconvert it to some frequency that allows 500m transmission range, and another module that would downconvert it back to 200Khz AM. Or maybe can someone suggest some components or block diagram how to do it easily ?
 

Simple Mix+Osc+Amp will serve you.There are many ICs in the market.
There may be modules too..
 

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