Differences

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--- connectors [2023/11/07 18:28] – created river
+++ connectors [2024/03/23 07:57] (current) – river
@@ Line 7: / Line 7: @@
 Normal: Male has central pin, and nut with inside thread. Female has hole and outside thread.
-RP-SMA: The pin swaps sides. Gender terminology unclear, should check drawings. Used for WiF. Apparently invented to stop consumers connecting higher gain antennas.
+RP-SMA: The pin swaps sides. Gender terminology unclear, should check drawings. Used for WiFi. Apparently invented to stop consumers connecting higher gain antennas, as FCC requires a non-standard connector.
 All the LoRa dev boards I have (Heltec, LILYGO, Waveshare) use normal SMA, male aerial, female board side.
@@ Line 29: / Line 29: @@
   * [[https://suntsu.com/2017/11/03/comparing-small-form-factor-coaxial-rf-connectors/]]
   * [[https://en.wikipedia.org/wiki/Hirose_U.FL]]
+===== Battery =====
+Heltec boards use SH1.25-2.