Gimbal, Inc. announced the availability of its Bluetooth® Smart (Bluetooth Low Energy) Gimbal Proximity Beacon U-Series 5™. The hardware serves as a low-cost, low-maintenance solution that adds beacon functionality to traditional devices with USB ports, including vending machines. The U-Series 5 enables a host of new devices to power smart, proximity-triggered engagements to an opted-in user's mobile device and for retailers, venues and other beacon-enabled locations to further extend their proximity network.