The Trimble® Catalyst™ GNSS system handle accessory puts the power of Catalyst precision directly into your hand. This lightweight, ergonomic solution provides a convenient handheld way to carry out your Catalyst-enabled mapping and field data collection workflows. Total flexibility Choose your device. iOS or Android™, you can turn any smartphone or tablet into a Trimble quality handheld positioning system. Swap out your device at any time, whenever you need to upgrade. Adjust your accuracy level as requirements change by switching up your accuracy-based Catalyst subscription. Affix a monopole when decimeter-level or better positions are crucial. Simplicity Uncomplicated set-up with no survey pole, pole mount, or backpack to worry about. It’s easy to assemble. Then, attach the magnetic mount to the back of your phone or tablet, snap it onto the handle and start receiving accurate positions on the device in your hand!