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Ligne 63 : − {{traduction}}+ − [http://docs.spark.io/hardware/#electrical-characteristics-rf a poursuivre à partir d'ici]+ + +
→Radio Fréquence
=== Radio Fréquence ===
=== Radio Fréquence ===
With the on board chip antenna, the peak return loss (S11) has been measured and verified to be in the excess of 20dB.
The transmission loss for the u.FL connector has been measured to be approximately 0.5 to 0.75dB.
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