mwave offers the refurbished TRENDnet Indoor Omni Directional Antenna with a $10 mwave credit for $9.99. With free shipping, that’s the lowest total price we could find by $4. This adjustable 7dBi antenna tilts 180° and rotates 360° to improve wireless coverage. It works with 802.11b/g wireless devices.

A 1-year warranty applies, though it’s unclear who backs it.

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