Uniden creates another first with the SDS100 true I/Q scanner, the first scanner to incorporate software defined radio technology to provide incredible digital performance in even the most challenging RF environments. The sds100’s digital performance is better than any other scanner in both simulcast and weak-signal environments. The SDS100 is also the first scanner that allows you to decide what to display, where, and in what color. Custom fields put the information important to you right where you need it. And, one more first, the SDS100 meets JIS4 (IPX4) standards for water resistance. USB Connectivity and Charging