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Questions about Bi-Directional 2.4G Power Amplifier

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CQCQ

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A 802.11g 2.4G power amplifier used after a wireless AP's antenna port,Which has Receiveing amp and Power amp channel.So how can I achieve "Bi-Directional" communicating?THS!
 

there is a duplexer , this is used to isolate between the TX path and RX path

khouly
 

The ones I have seen have a power sensor on the lan side, and when the device is transmitting it senses the power and turns on the booster power amp. When it does not sense any transmit power, it switches over to the low noise receiver amp booster.
 

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