The weBoost Home & Office Accessory Kit for for the Drive 4G-S and 3G-S models includes everything necessary to use your cradle signal booster in your home or office. This accessory kit includes an AC power supply, desk stand for the cradle, suction cup window mount for the magnetic antenna, and a carrying case. Accessory Kit Includes A 5.5 V AC Power Supply A suction cup window mount for magnetic antennas (901128). An adjustable desk or table stand for the Drive Cradle (901137). A handy carrying case (859946)