decibal gain doubles your wattage for ever +3 dB. So whatever your input wattage before the decibal gain, double that approximately 3 times. For example if your input wattage before the gain is 10mW, then +9dBm would be 80mW. (((10mw*2)*2)*2) = Final mW. Hope that helps.
RC-(remote controlled) Car
in Electronic Projects Design/Ideas
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decibal gain doubles your wattage for ever +3 dB. So whatever your input wattage before the decibal gain, double that approximately 3 times. For example if your input wattage before the gain is 10mW, then +9dBm would be 80mW. (((10mw*2)*2)*2) = Final mW. Hope that helps.