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Updated QRO external amplifier usage (markdown)

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sh123 2022-12-19 11:12:09 +02:00
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QRO-external-amplifier-usage.md

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![alt text](https://raw.githubusercontent.com/sh123/esp32_loraprs/master/images/amp.png) ![alt text](https://raw.githubusercontent.com/sh123/esp32_loraprs/master/extras/images/amp.png)
It is possible to get 30-40% TX only coverage increase in urban environment by using additional external 1-2W amplifier (about 6$ on Aliexpress), which will give 10-12 dB signal increase, achieved approximately 20 km coverage in moderate urban environment and about 15 km with almost 100% packet receiving. It is possible to get 30-40% TX only coverage increase in urban environment by using additional external 1-2W amplifier (about 6$ on Aliexpress), which will give 10-12 dB signal increase, achieved approximately 20 km coverage in moderate urban environment and about 15 km with almost 100% packet receiving.