WIZnet now supply the WizFi210 and WizFi220 in three versions according to antenna type.
Ver 1 - It includes U.FL connector and 10pF capacitor on the upward antenna path.
Ver 2 - It includes chip antenna and 0 ohm resistor on the left path antenna.
Ver 3 - It does not include any antenna or antenna connector. 0 ohm resistor is mounted on the right antenna path. Customers need to match the antenna impedance on their board for their own antenna connection.
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