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+++ b/host/docs/gpsdo_b2x0.dox
@@ -69,5 +69,12 @@ using the **gps_gprmc**, and **gps_gpgga** sensors. Location
information can be parsed out of the **gps_gpgga** sensor by using **gpsd**
or another NMEA parser.
+\section gpsdob_power Using a power supply with the B2x0 and GPSDO
+
+The GPSDOs for the B2x0 draw extra power, and when running off of bus power
+only, brownouts are possible (although not guaranteed to happen).
+It is recommended to use a wall power connector when using a B2x0 in
+conjunction with a GPSDO.
+
*/
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