Includes mounting hardware</br>Designed for fixed installations</br>Directional</br>Frequency Range: 880-965 MHz (iDen)</br>Impedance: 50 ohms</br></br>Product Description</br></br>11.1v 6600 mAh Black Laptop Battery for Sony VAIO VGN-SZ4MN/B</br><br/>http://www.amazon.com/gp/product/B003NQ5G7K