Boost the cellular signal to your AT&T Shockwave with an external antenna or powered signal booster. Improving cellular data reception to your AT&T USBConnect Shockwave mobile broadband device can mean faster data transfer speeds. In general, the better the cellular signal, the faster the data transmission speed. We offer several options to improve the cellular reception of your AT&T Shockwave mobile broadband device. Choose from options such as simply attaching an external antenna directly to the mobile device, add a cellular amplifier or select a wireless amplifier to improve reception without a physical connections to your device. We have products that let you boost signal for 1 device or many in small areas as well as very large areas. Cars, trucks, RVs, home, office, hangers, office buildings, we have signal improvement solutions.