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Why not drop SparkFun an email, I'm sure they could tell you.
The antenna on the XBee in the photo in the above post is just a 1/4 wave piece of wire (adjusted for the velocity of propagation in air) and covered with plastic.
Quote from: waltr on Today at 08:11:33 AMThe antenna on the XBee in the photo in the above post is just a 1/4 wave piece of wire (adjusted for the velocity of propagation in air) and covered with plastic.Yes and probably more or less Helical wound.
100 antennas would cost me $120