What is the Symbol for the SJC27145A Remote Control Circuit?

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weitao
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What is this ( silver colour one )
 

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This one is a crystal. It's used for setting a frequency from its natural vibration.
 


Yes - it says "TX1" on the board. I think you will spot "L2" (i.e. an inductor) on the component at the back of the picture - is that the one you asked about in a previous post?
 


This is remote control circuit an the series is SJC27145A What is the symbol?